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Finding the Fourth Proportional to 63,043.68, 87,004.20 and 34,749.30

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Solution

The fourth proportional to 63,043.68, 87,004.20 and 34,749.30 is: 47,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,043.68 : 87,004.20 = 34,749.30 : x
  2. Step 2: Convert to fraction form
    63,043.68/87,004.20 = 34,749.30/x
  3. Step 3: Cross multiply
    63,043.68x = 87,004.20 × 34,749.30
  4. Step 4: Simplify right side
    63,043.68x = 3,023,335,047.06
  5. Step 5: Solve for x
    x = 3,023,335,047.06/63,043.68
  6. Step 6: Final answer
    x = 47,956.20

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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.