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Finding the Fourth Proportional to 57,307.74, 86,051.52 and 48,538.02

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Solution

The fourth proportional to 57,307.74, 86,051.52 and 48,538.02 is: 72,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,307.74 : 86,051.52 = 48,538.02 : x
  2. Step 2: Convert to fraction form
    57,307.74/86,051.52 = 48,538.02/x
  3. Step 3: Cross multiply
    57,307.74x = 86,051.52 × 48,538.02
  4. Step 4: Simplify right side
    57,307.74x = 4,176,770,398.79
  5. Step 5: Solve for x
    x = 4,176,770,398.79/57,307.74
  6. Step 6: Final answer
    x = 72,883.18

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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.