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Finding the Fourth Proportional to 58,719, 88,060 and 19,266.92

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Solution

The fourth proportional to 58,719, 88,060 and 19,266.92 is: 28,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719 : 88,060 = 19,266.92 : x
  2. Step 2: Convert to fraction form
    58,719/88,060 = 19,266.92/x
  3. Step 3: Cross multiply
    58,719x = 88,060 × 19,266.92
  4. Step 4: Simplify right side
    58,719x = 1,696,644,975.20
  5. Step 5: Solve for x
    x = 1,696,644,975.20/58,719
  6. Step 6: Final answer
    x = 28,894.31

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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.