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Finding the Fourth Proportional to 55,866.66, 83,773.64 and 20,302.97

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Solution

The fourth proportional to 55,866.66, 83,773.64 and 20,302.97 is: 30,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.66 : 83,773.64 = 20,302.97 : x
  2. Step 2: Convert to fraction form
    55,866.66/83,773.64 = 20,302.97/x
  3. Step 3: Cross multiply
    55,866.66x = 83,773.64 × 20,302.97
  4. Step 4: Simplify right side
    55,866.66x = 1,700,853,699.71
  5. Step 5: Solve for x
    x = 1,700,853,699.71/55,866.66
  6. Step 6: Final answer
    x = 30,444.88

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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.