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Finding the Fourth Proportional to 58,903.52, 88,303.02 and 21,456.62

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Solution

The fourth proportional to 58,903.52, 88,303.02 and 21,456.62 is: 32,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903.52 : 88,303.02 = 21,456.62 : x
  2. Step 2: Convert to fraction form
    58,903.52/88,303.02 = 21,456.62/x
  3. Step 3: Cross multiply
    58,903.52x = 88,303.02 × 21,456.62
  4. Step 4: Simplify right side
    58,903.52x = 1,894,684,344.99
  5. Step 5: Solve for x
    x = 1,894,684,344.99/58,903.52
  6. Step 6: Final answer
    x = 32,165.89

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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.