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Finding the Fourth Proportional to 57,443.19, 79,259.85 and 33,565.24

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Solution

The fourth proportional to 57,443.19, 79,259.85 and 33,565.24 is: 46,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.19 : 79,259.85 = 33,565.24 : x
  2. Step 2: Convert to fraction form
    57,443.19/79,259.85 = 33,565.24/x
  3. Step 3: Cross multiply
    57,443.19x = 79,259.85 × 33,565.24
  4. Step 4: Simplify right side
    57,443.19x = 2,660,375,887.61
  5. Step 5: Solve for x
    x = 2,660,375,887.61/57,443.19
  6. Step 6: Final answer
    x = 46,313.16

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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.