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Finding the Fourth Proportional to 41,339.52, 61,931.52 and 20,577.60

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Solution

The fourth proportional to 41,339.52, 61,931.52 and 20,577.60 is: 30,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,339.52 : 61,931.52 = 20,577.60 : x
  2. Step 2: Convert to fraction form
    41,339.52/61,931.52 = 20,577.60/x
  3. Step 3: Cross multiply
    41,339.52x = 61,931.52 × 20,577.60
  4. Step 4: Simplify right side
    41,339.52x = 1,274,402,045.95
  5. Step 5: Solve for x
    x = 1,274,402,045.95/41,339.52
  6. Step 6: Final answer
    x = 30,827.69

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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.