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Finding the Fourth Proportional to 44,464.64, 66,773.36 and 39,478.24

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Solution

The fourth proportional to 44,464.64, 66,773.36 and 39,478.24 is: 59,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,464.64 : 66,773.36 = 39,478.24 : x
  2. Step 2: Convert to fraction form
    44,464.64/66,773.36 = 39,478.24/x
  3. Step 3: Cross multiply
    44,464.64x = 66,773.36 × 39,478.24
  4. Step 4: Simplify right side
    44,464.64x = 2,636,094,731.69
  5. Step 5: Solve for x
    x = 2,636,094,731.69/44,464.64
  6. Step 6: Final answer
    x = 59,285.19

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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.