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Finding the Fourth Proportional to 62,239.80, 85,888.02 and 38,080.98

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Solution

The fourth proportional to 62,239.80, 85,888.02 and 38,080.98 is: 52,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,239.80 : 85,888.02 = 38,080.98 : x
  2. Step 2: Convert to fraction form
    62,239.80/85,888.02 = 38,080.98/x
  3. Step 3: Cross multiply
    62,239.80x = 85,888.02 × 38,080.98
  4. Step 4: Simplify right side
    62,239.80x = 3,270,699,971.86
  5. Step 5: Solve for x
    x = 3,270,699,971.86/62,239.80
  6. Step 6: Final answer
    x = 52,549.98

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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.