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Finding the Fourth Proportional to 62,208.40, 85,847.16 and 35,348.80

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Solution

The fourth proportional to 62,208.40, 85,847.16 and 35,348.80 is: 48,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208.40 : 85,847.16 = 35,348.80 : x
  2. Step 2: Convert to fraction form
    62,208.40/85,847.16 = 35,348.80/x
  3. Step 3: Cross multiply
    62,208.40x = 85,847.16 × 35,348.80
  4. Step 4: Simplify right side
    62,208.40x = 3,034,594,089.41
  5. Step 5: Solve for x
    x = 3,034,594,089.41/62,208.40
  6. Step 6: Final answer
    x = 48,781.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.