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Finding the Fourth Proportional to 62,071.53, 93,034.35 and 28,721.16

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Solution

The fourth proportional to 62,071.53, 93,034.35 and 28,721.16 is: 43,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,071.53 : 93,034.35 = 28,721.16 : x
  2. Step 2: Convert to fraction form
    62,071.53/93,034.35 = 28,721.16/x
  3. Step 3: Cross multiply
    62,071.53x = 93,034.35 × 28,721.16
  4. Step 4: Simplify right side
    62,071.53x = 2,672,054,451.85
  5. Step 5: Solve for x
    x = 2,672,054,451.85/62,071.53
  6. Step 6: Final answer
    x = 43,047.99

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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.