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Finding the Fourth Proportional to 63,043.81, 87,000.42 and 34,749.49

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Solution

The fourth proportional to 63,043.81, 87,000.42 and 34,749.49 is: 47,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.81 : 87,000.42 = 34,749.49 : x
  2. Step 2: Convert to fraction form
    63,043.81/87,000.42 = 34,749.49/x
  3. Step 3: Cross multiply
    63,043.81x = 87,000.42 × 34,749.49
  4. Step 4: Simplify right side
    63,043.81x = 3,023,220,224.79
  5. Step 5: Solve for x
    x = 3,023,220,224.79/63,043.81
  6. Step 6: Final answer
    x = 47,954.28

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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.