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Finding the Fourth Proportional to 63,043.74, 87,000.78 and 34,749.45

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Solution

The fourth proportional to 63,043.74, 87,000.78 and 34,749.45 is: 47,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.74 : 87,000.78 = 34,749.45 : x
  2. Step 2: Convert to fraction form
    63,043.74/87,000.78 = 34,749.45/x
  3. Step 3: Cross multiply
    63,043.74x = 87,000.78 × 34,749.45
  4. Step 4: Simplify right side
    63,043.74x = 3,023,229,254.57
  5. Step 5: Solve for x
    x = 3,023,229,254.57/63,043.74
  6. Step 6: Final answer
    x = 47,954.47

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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.