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Finding the Fourth Proportional to 7,471.66, 11,207.50 and 1,925.02

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Solution

The fourth proportional to 7,471.66, 11,207.50 and 1,925.02 is: 2,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.66 : 11,207.50 = 1,925.02 : x
  2. Step 2: Convert to fraction form
    7,471.66/11,207.50 = 1,925.02/x
  3. Step 3: Cross multiply
    7,471.66x = 11,207.50 × 1,925.02
  4. Step 4: Simplify right side
    7,471.66x = 21,574,628.82
  5. Step 5: Solve for x
    x = 21,574,628.82/7,471.66
  6. Step 6: Final answer
    x = 2,887.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.