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Finding the Fourth Proportional to 63,004.50, 86,948.64 and 34,709.58

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Solution

The fourth proportional to 63,004.50, 86,948.64 and 34,709.58 is: 47,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,004.50 : 86,948.64 = 34,709.58 : x
  2. Step 2: Convert to fraction form
    63,004.50/86,948.64 = 34,709.58/x
  3. Step 3: Cross multiply
    63,004.50x = 86,948.64 × 34,709.58
  4. Step 4: Simplify right side
    63,004.50x = 3,017,950,775.97
  5. Step 5: Solve for x
    x = 3,017,950,775.97/63,004.50
  6. Step 6: Final answer
    x = 47,900.56

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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.