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Finding the Fourth Proportional to 47,392.98, 65,402.45 and 25,882.92

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Solution

The fourth proportional to 47,392.98, 65,402.45 and 25,882.92 is: 35,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.98 : 65,402.45 = 25,882.92 : x
  2. Step 2: Convert to fraction form
    47,392.98/65,402.45 = 25,882.92/x
  3. Step 3: Cross multiply
    47,392.98x = 65,402.45 × 25,882.92
  4. Step 4: Simplify right side
    47,392.98x = 1,692,806,381.15
  5. Step 5: Solve for x
    x = 1,692,806,381.15/47,392.98
  6. Step 6: Final answer
    x = 35,718.50

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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.