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Finding the Fourth Proportional to 54,572.96, 75,309.90 and 30,373.76

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Solution

The fourth proportional to 54,572.96, 75,309.90 and 30,373.76 is: 41,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.96 : 75,309.90 = 30,373.76 : x
  2. Step 2: Convert to fraction form
    54,572.96/75,309.90 = 30,373.76/x
  3. Step 3: Cross multiply
    54,572.96x = 75,309.90 × 30,373.76
  4. Step 4: Simplify right side
    54,572.96x = 2,287,444,828.22
  5. Step 5: Solve for x
    x = 2,287,444,828.22/54,572.96
  6. Step 6: Final answer
    x = 41,915.35

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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.