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Finding the Fourth Proportional to 10,474.75, 14,455.18 and 5,759.07

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Solution

The fourth proportional to 10,474.75, 14,455.18 and 5,759.07 is: 7,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.75 : 14,455.18 = 5,759.07 : x
  2. Step 2: Convert to fraction form
    10,474.75/14,455.18 = 5,759.07/x
  3. Step 3: Cross multiply
    10,474.75x = 14,455.18 × 5,759.07
  4. Step 4: Simplify right side
    10,474.75x = 83,248,393.48
  5. Step 5: Solve for x
    x = 83,248,393.48/10,474.75
  6. Step 6: Final answer
    x = 7,947.53

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.