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Finding the Fourth Proportional to 64,006.70, 88,327.41 and 35,711.78

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Solution

The fourth proportional to 64,006.70, 88,327.41 and 35,711.78 is: 49,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.70 : 88,327.41 = 35,711.78 : x
  2. Step 2: Convert to fraction form
    64,006.70/88,327.41 = 35,711.78/x
  3. Step 3: Cross multiply
    64,006.70x = 88,327.41 × 35,711.78
  4. Step 4: Simplify right side
    64,006.70x = 3,154,329,033.89
  5. Step 5: Solve for x
    x = 3,154,329,033.89/64,006.70
  6. Step 6: Final answer
    x = 49,281.23

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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.