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Finding the Fourth Proportional to 65,900.80, 98,851.20 and 48,404.80

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Solution

The fourth proportional to 65,900.80, 98,851.20 and 48,404.80 is: 72,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,900.80 : 98,851.20 = 48,404.80 : x
  2. Step 2: Convert to fraction form
    65,900.80/98,851.20 = 48,404.80/x
  3. Step 3: Cross multiply
    65,900.80x = 98,851.20 × 48,404.80
  4. Step 4: Simplify right side
    65,900.80x = 4,784,872,565.76
  5. Step 5: Solve for x
    x = 4,784,872,565.76/65,900.80
  6. Step 6: Final answer
    x = 72,607.20

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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.