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Finding the Fourth Proportional to 64,988.60, 97,408.17 and 29,854.44

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Solution

The fourth proportional to 64,988.60, 97,408.17 and 29,854.44 is: 44,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988.60 : 97,408.17 = 29,854.44 : x
  2. Step 2: Convert to fraction form
    64,988.60/97,408.17 = 29,854.44/x
  3. Step 3: Cross multiply
    64,988.60x = 97,408.17 × 29,854.44
  4. Step 4: Simplify right side
    64,988.60x = 2,908,066,366.77
  5. Step 5: Solve for x
    x = 2,908,066,366.77/64,988.60
  6. Step 6: Final answer
    x = 44,747.33

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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.