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Finding the Fourth Proportional to 47,646.40, 65,749.82 and 26,425.20

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Solution

The fourth proportional to 47,646.40, 65,749.82 and 26,425.20 is: 36,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,646.40 : 65,749.82 = 26,425.20 : x
  2. Step 2: Convert to fraction form
    47,646.40/65,749.82 = 26,425.20/x
  3. Step 3: Cross multiply
    47,646.40x = 65,749.82 × 26,425.20
  4. Step 4: Simplify right side
    47,646.40x = 1,737,452,143.46
  5. Step 5: Solve for x
    x = 1,737,452,143.46/47,646.40
  6. Step 6: Final answer
    x = 36,465.55

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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.