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Finding the Fourth Proportional to 64,432, 88,916.32 and 37,592.96

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Solution

The fourth proportional to 64,432, 88,916.32 and 37,592.96 is: 51,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,432 : 88,916.32 = 37,592.96 : x
  2. Step 2: Convert to fraction form
    64,432/88,916.32 = 37,592.96/x
  3. Step 3: Cross multiply
    64,432x = 88,916.32 × 37,592.96
  4. Step 4: Simplify right side
    64,432x = 3,342,627,661.11
  5. Step 5: Solve for x
    x = 3,342,627,661.11/64,432
  6. Step 6: Final answer
    x = 51,878.38

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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.