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Finding the Fourth Proportional to 64,132.80, 96,004.80 and 48,451.20

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Solution

The fourth proportional to 64,132.80, 96,004.80 and 48,451.20 is: 72,529.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,132.80 : 96,004.80 = 48,451.20 : x
  2. Step 2: Convert to fraction form
    64,132.80/96,004.80 = 48,451.20/x
  3. Step 3: Cross multiply
    64,132.80x = 96,004.80 × 48,451.20
  4. Step 4: Simplify right side
    64,132.80x = 4,651,547,765.76
  5. Step 5: Solve for x
    x = 4,651,547,765.76/64,132.80
  6. Step 6: Final answer
    x = 72,529.93

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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.