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Finding the Fourth Proportional to 55,613.04, 76,747.04 and 30,460.96

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Solution

The fourth proportional to 55,613.04, 76,747.04 and 30,460.96 is: 42,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.04 : 76,747.04 = 30,460.96 : x
  2. Step 2: Convert to fraction form
    55,613.04/76,747.04 = 30,460.96/x
  3. Step 3: Cross multiply
    55,613.04x = 76,747.04 × 30,460.96
  4. Step 4: Simplify right side
    55,613.04x = 2,337,788,515.56
  5. Step 5: Solve for x
    x = 2,337,788,515.56/55,613.04
  6. Step 6: Final answer
    x = 42,036.70

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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.