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Finding the Fourth Proportional to 58,555.64, 80,752.20 and 54,206.48

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Solution

The fourth proportional to 58,555.64, 80,752.20 and 54,206.48 is: 74,754.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,555.64 : 80,752.20 = 54,206.48 : x
  2. Step 2: Convert to fraction form
    58,555.64/80,752.20 = 54,206.48/x
  3. Step 3: Cross multiply
    58,555.64x = 80,752.20 × 54,206.48
  4. Step 4: Simplify right side
    58,555.64x = 4,377,292,514.26
  5. Step 5: Solve for x
    x = 4,377,292,514.26/58,555.64
  6. Step 6: Final answer
    x = 74,754.41

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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.