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Finding the Fourth Proportional to 43,501.60, 65,122.80 and 25,962.40

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Solution

The fourth proportional to 43,501.60, 65,122.80 and 25,962.40 is: 38,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.60 : 65,122.80 = 25,962.40 : x
  2. Step 2: Convert to fraction form
    43,501.60/65,122.80 = 25,962.40/x
  3. Step 3: Cross multiply
    43,501.60x = 65,122.80 × 25,962.40
  4. Step 4: Simplify right side
    43,501.60x = 1,690,744,182.72
  5. Step 5: Solve for x
    x = 1,690,744,182.72/43,501.60
  6. Step 6: Final answer
    x = 38,866.25

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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.