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Finding the Fourth Proportional to 29,038.87, 40,076.68 and 16,295.50

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Solution

The fourth proportional to 29,038.87, 40,076.68 and 16,295.50 is: 22,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,038.87 : 40,076.68 = 16,295.50 : x
  2. Step 2: Convert to fraction form
    29,038.87/40,076.68 = 16,295.50/x
  3. Step 3: Cross multiply
    29,038.87x = 40,076.68 × 16,295.50
  4. Step 4: Simplify right side
    29,038.87x = 653,069,538.94
  5. Step 5: Solve for x
    x = 653,069,538.94/29,038.87
  6. Step 6: Final answer
    x = 22,489.50

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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.