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Finding the Fourth Proportional to 58,677.52, 87,970.92 and 19,210

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Solution

The fourth proportional to 58,677.52, 87,970.92 and 19,210 is: 28,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,677.52 : 87,970.92 = 19,210 : x
  2. Step 2: Convert to fraction form
    58,677.52/87,970.92 = 19,210/x
  3. Step 3: Cross multiply
    58,677.52x = 87,970.92 × 19,210
  4. Step 4: Simplify right side
    58,677.52x = 1,689,921,373.20
  5. Step 5: Solve for x
    x = 1,689,921,373.20/58,677.52
  6. Step 6: Final answer
    x = 28,800.15

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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.