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Finding the Fourth Proportional to 43,607.60, 65,411.40 and 37,062.80

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Solution

The fourth proportional to 43,607.60, 65,411.40 and 37,062.80 is: 55,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,607.60 : 65,411.40 = 37,062.80 : x
  2. Step 2: Convert to fraction form
    43,607.60/65,411.40 = 37,062.80/x
  3. Step 3: Cross multiply
    43,607.60x = 65,411.40 × 37,062.80
  4. Step 4: Simplify right side
    43,607.60x = 2,424,329,635.92
  5. Step 5: Solve for x
    x = 2,424,329,635.92/43,607.60
  6. Step 6: Final answer
    x = 55,594.20

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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.