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Finding the Fourth Proportional to 56,751.70, 78,314.80 and 32,535.30

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Solution

The fourth proportional to 56,751.70, 78,314.80 and 32,535.30 is: 44,897.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,751.70 : 78,314.80 = 32,535.30 : x
  2. Step 2: Convert to fraction form
    56,751.70/78,314.80 = 32,535.30/x
  3. Step 3: Cross multiply
    56,751.70x = 78,314.80 × 32,535.30
  4. Step 4: Simplify right side
    56,751.70x = 2,547,995,512.44
  5. Step 5: Solve for x
    x = 2,547,995,512.44/56,751.70
  6. Step 6: Final answer
    x = 44,897.25

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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.