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Finding the Fourth Proportional to 64,493.40, 96,740.10 and 60,864.60

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Solution

The fourth proportional to 64,493.40, 96,740.10 and 60,864.60 is: 91,296.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,493.40 : 96,740.10 = 60,864.60 : x
  2. Step 2: Convert to fraction form
    64,493.40/96,740.10 = 60,864.60/x
  3. Step 3: Cross multiply
    64,493.40x = 96,740.10 × 60,864.60
  4. Step 4: Simplify right side
    64,493.40x = 5,888,047,490.46
  5. Step 5: Solve for x
    x = 5,888,047,490.46/64,493.40
  6. Step 6: Final answer
    x = 91,296.90

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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.