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Finding the Fourth Proportional to 55,657.00, 83,347.01 and 38,938.76

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Solution

The fourth proportional to 55,657.00, 83,347.01 and 38,938.76 is: 58,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.00 : 83,347.01 = 38,938.76 : x
  2. Step 2: Convert to fraction form
    55,657.00/83,347.01 = 38,938.76/x
  3. Step 3: Cross multiply
    55,657.00x = 83,347.01 × 38,938.76
  4. Step 4: Simplify right side
    55,657.00x = 3,245,428,607.68
  5. Step 5: Solve for x
    x = 3,245,428,607.68/55,657.00
  6. Step 6: Final answer
    x = 58,311.24

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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.