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Finding the Fourth Proportional to 64,006.54, 95,881.18 and 31,888.80

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Solution

The fourth proportional to 64,006.54, 95,881.18 and 31,888.80 is: 47,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.54 : 95,881.18 = 31,888.80 : x
  2. Step 2: Convert to fraction form
    64,006.54/95,881.18 = 31,888.80/x
  3. Step 3: Cross multiply
    64,006.54x = 95,881.18 × 31,888.80
  4. Step 4: Simplify right side
    64,006.54x = 3,057,535,772.78
  5. Step 5: Solve for x
    x = 3,057,535,772.78/64,006.54
  6. Step 6: Final answer
    x = 47,769.12

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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.