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Finding the Fourth Proportional to 64,932.59, 97,402.59 and 18,189.11

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Solution

The fourth proportional to 64,932.59, 97,402.59 and 18,189.11 is: 27,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,932.59 : 97,402.59 = 18,189.11 : x
  2. Step 2: Convert to fraction form
    64,932.59/97,402.59 = 18,189.11/x
  3. Step 3: Cross multiply
    64,932.59x = 97,402.59 × 18,189.11
  4. Step 4: Simplify right side
    64,932.59x = 1,771,666,423.79
  5. Step 5: Solve for x
    x = 1,771,666,423.79/64,932.59
  6. Step 6: Final answer
    x = 27,284.70

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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.