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Finding the Fourth Proportional to 7,602.94, 10,491.85 and 4,245.66

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Solution

The fourth proportional to 7,602.94, 10,491.85 and 4,245.66 is: 5,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.94 : 10,491.85 = 4,245.66 : x
  2. Step 2: Convert to fraction form
    7,602.94/10,491.85 = 4,245.66/x
  3. Step 3: Cross multiply
    7,602.94x = 10,491.85 × 4,245.66
  4. Step 4: Simplify right side
    7,602.94x = 44,544,801.64
  5. Step 5: Solve for x
    x = 44,544,801.64/7,602.94
  6. Step 6: Final answer
    x = 5,858.89

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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.