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Finding the Fourth Proportional to 64,885.20, 97,327.80 and 62,293.20

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Solution

The fourth proportional to 64,885.20, 97,327.80 and 62,293.20 is: 93,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,885.20 : 97,327.80 = 62,293.20 : x
  2. Step 2: Convert to fraction form
    64,885.20/97,327.80 = 62,293.20/x
  3. Step 3: Cross multiply
    64,885.20x = 97,327.80 × 62,293.20
  4. Step 4: Simplify right side
    64,885.20x = 6,062,860,110.96
  5. Step 5: Solve for x
    x = 6,062,860,110.96/64,885.20
  6. Step 6: Final answer
    x = 93,439.80

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1.5x scale

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.