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Finding the Fourth Proportional to 62,671.20, 86,480.76 and 35,808.36

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Solution

The fourth proportional to 62,671.20, 86,480.76 and 35,808.36 is: 49,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.20 : 86,480.76 = 35,808.36 : x
  2. Step 2: Convert to fraction form
    62,671.20/86,480.76 = 35,808.36/x
  3. Step 3: Cross multiply
    62,671.20x = 86,480.76 × 35,808.36
  4. Step 4: Simplify right side
    62,671.20x = 3,096,734,187.15
  5. Step 5: Solve for x
    x = 3,096,734,187.15/62,671.20
  6. Step 6: Final answer
    x = 49,412.40

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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.