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Finding the Fourth Proportional to 58,721.93, 88,049.88 and 19,275.74

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Solution

The fourth proportional to 58,721.93, 88,049.88 and 19,275.74 is: 28,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,721.93 : 88,049.88 = 19,275.74 : x
  2. Step 2: Convert to fraction form
    58,721.93/88,049.88 = 19,275.74/x
  3. Step 3: Cross multiply
    58,721.93x = 88,049.88 × 19,275.74
  4. Step 4: Simplify right side
    58,721.93x = 1,697,226,153.66
  5. Step 5: Solve for x
    x = 1,697,226,153.66/58,721.93
  6. Step 6: Final answer
    x = 28,902.77

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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.