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Finding the Fourth Proportional to 64,821.70, 97,232.55 and 60,885.10

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Solution

The fourth proportional to 64,821.70, 97,232.55 and 60,885.10 is: 91,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.70 : 97,232.55 = 60,885.10 : x
  2. Step 2: Convert to fraction form
    64,821.70/97,232.55 = 60,885.10/x
  3. Step 3: Cross multiply
    64,821.70x = 97,232.55 × 60,885.10
  4. Step 4: Simplify right side
    64,821.70x = 5,920,013,530.01
  5. Step 5: Solve for x
    x = 5,920,013,530.01/64,821.70
  6. Step 6: Final answer
    x = 91,327.65

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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.