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Finding the Fourth Proportional to 56,016.59, 77,278.59 and 33,342.86

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Solution

The fourth proportional to 56,016.59, 77,278.59 and 33,342.86 is: 45,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,016.59 : 77,278.59 = 33,342.86 : x
  2. Step 2: Convert to fraction form
    56,016.59/77,278.59 = 33,342.86/x
  3. Step 3: Cross multiply
    56,016.59x = 77,278.59 × 33,342.86
  4. Step 4: Simplify right side
    56,016.59x = 2,576,688,820.97
  5. Step 5: Solve for x
    x = 2,576,688,820.97/56,016.59
  6. Step 6: Final answer
    x = 45,998.68

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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.