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Finding the Fourth Proportional to 65,365.48, 98,023.90 and 25,909.48

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Solution

The fourth proportional to 65,365.48, 98,023.90 and 25,909.48 is: 38,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,365.48 : 98,023.90 = 25,909.48 : x
  2. Step 2: Convert to fraction form
    65,365.48/98,023.90 = 25,909.48/x
  3. Step 3: Cross multiply
    65,365.48x = 98,023.90 × 25,909.48
  4. Step 4: Simplify right side
    65,365.48x = 2,539,748,276.57
  5. Step 5: Solve for x
    x = 2,539,748,276.57/65,365.48
  6. Step 6: Final answer
    x = 38,854.58

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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.