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Finding the Fourth Proportional to 63,004.32, 86,945.76 and 34,709.76

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Solution

The fourth proportional to 63,004.32, 86,945.76 and 34,709.76 is: 47,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,004.32 : 86,945.76 = 34,709.76 : x
  2. Step 2: Convert to fraction form
    63,004.32/86,945.76 = 34,709.76/x
  3. Step 3: Cross multiply
    63,004.32x = 86,945.76 × 34,709.76
  4. Step 4: Simplify right side
    63,004.32x = 3,017,866,462.62
  5. Step 5: Solve for x
    x = 3,017,866,462.62/63,004.32
  6. Step 6: Final answer
    x = 47,899.36

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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.