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Finding the Fourth Proportional to 64,948.59, 97,432.61 and 56,568.33

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Solution

The fourth proportional to 64,948.59, 97,432.61 and 56,568.33 is: 84,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948.59 : 97,432.61 = 56,568.33 : x
  2. Step 2: Convert to fraction form
    64,948.59/97,432.61 = 56,568.33/x
  3. Step 3: Cross multiply
    64,948.59x = 97,432.61 × 56,568.33
  4. Step 4: Simplify right side
    64,948.59x = 5,511,599,752.40
  5. Step 5: Solve for x
    x = 5,511,599,752.40/64,948.59
  6. Step 6: Final answer
    x = 84,860.96

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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.