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Finding the Fourth Proportional to 45,507.68, 62,787.12 and 44,004.32

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Solution

The fourth proportional to 45,507.68, 62,787.12 and 44,004.32 is: 60,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.68 : 62,787.12 = 44,004.32 : x
  2. Step 2: Convert to fraction form
    45,507.68/62,787.12 = 44,004.32/x
  3. Step 3: Cross multiply
    45,507.68x = 62,787.12 × 44,004.32
  4. Step 4: Simplify right side
    45,507.68x = 2,762,904,520.36
  5. Step 5: Solve for x
    x = 2,762,904,520.36/45,507.68
  6. Step 6: Final answer
    x = 60,712.93

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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.