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Finding the Fourth Proportional to 56,888.48, 78,504.48 and 33,017.12

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Solution

The fourth proportional to 56,888.48, 78,504.48 and 33,017.12 is: 45,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.48 : 78,504.48 = 33,017.12 : x
  2. Step 2: Convert to fraction form
    56,888.48/78,504.48 = 33,017.12/x
  3. Step 3: Cross multiply
    56,888.48x = 78,504.48 × 33,017.12
  4. Step 4: Simplify right side
    56,888.48x = 2,591,991,836.70
  5. Step 5: Solve for x
    x = 2,591,991,836.70/56,888.48
  6. Step 6: Final answer
    x = 45,562.68

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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.