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Finding the Fourth Proportional to 63,043.92, 86,998.95 and 34,749.72

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Solution

The fourth proportional to 63,043.92, 86,998.95 and 34,749.72 is: 47,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.92 : 86,998.95 = 34,749.72 : x
  2. Step 2: Convert to fraction form
    63,043.92/86,998.95 = 34,749.72/x
  3. Step 3: Cross multiply
    63,043.92x = 86,998.95 × 34,749.72
  4. Step 4: Simplify right side
    63,043.92x = 3,023,189,152.79
  5. Step 5: Solve for x
    x = 3,023,189,152.79/63,043.92
  6. Step 6: Final answer
    x = 47,953.70

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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.