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Finding the Fourth Proportional to 47,602.80, 65,691.72 and 26,382.06

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Solution

The fourth proportional to 47,602.80, 65,691.72 and 26,382.06 is: 36,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.80 : 65,691.72 = 26,382.06 : x
  2. Step 2: Convert to fraction form
    47,602.80/65,691.72 = 26,382.06/x
  3. Step 3: Cross multiply
    47,602.80x = 65,691.72 × 26,382.06
  4. Step 4: Simplify right side
    47,602.80x = 1,733,082,898.54
  5. Step 5: Solve for x
    x = 1,733,082,898.54/47,602.80
  6. Step 6: Final answer
    x = 36,407.16

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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.