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Finding the Fourth Proportional to 40,508.76, 55,896.84 and 23,498.76

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Solution

The fourth proportional to 40,508.76, 55,896.84 and 23,498.76 is: 32,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,508.76 : 55,896.84 = 23,498.76 : x
  2. Step 2: Convert to fraction form
    40,508.76/55,896.84 = 23,498.76/x
  3. Step 3: Cross multiply
    40,508.76x = 55,896.84 × 23,498.76
  4. Step 4: Simplify right side
    40,508.76x = 1,313,506,427.92
  5. Step 5: Solve for x
    x = 1,313,506,427.92/40,508.76
  6. Step 6: Final answer
    x = 32,425.24

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Half scale
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Double scale
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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.