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Finding the Fourth Proportional to 47,405.95, 65,418.95 and 26,184.76

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Solution

The fourth proportional to 47,405.95, 65,418.95 and 26,184.76 is: 36,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405.95 : 65,418.95 = 26,184.76 : x
  2. Step 2: Convert to fraction form
    47,405.95/65,418.95 = 26,184.76/x
  3. Step 3: Cross multiply
    47,405.95x = 65,418.95 × 26,184.76
  4. Step 4: Simplify right side
    47,405.95x = 1,712,979,505.20
  5. Step 5: Solve for x
    x = 1,712,979,505.20/47,405.95
  6. Step 6: Final answer
    x = 36,134.27

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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.