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Finding the Fourth Proportional to 59,483.21, 89,214.68 and 19,501.40

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Solution

The fourth proportional to 59,483.21, 89,214.68 and 19,501.40 is: 29,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,483.21 : 89,214.68 = 19,501.40 : x
  2. Step 2: Convert to fraction form
    59,483.21/89,214.68 = 19,501.40/x
  3. Step 3: Cross multiply
    59,483.21x = 89,214.68 × 19,501.40
  4. Step 4: Simplify right side
    59,483.21x = 1,739,811,432.34
  5. Step 5: Solve for x
    x = 1,739,811,432.34/59,483.21
  6. Step 6: Final answer
    x = 29,248.78

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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.