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Finding the Fourth Proportional to 29,063.45, 40,108.00 and 28,057.77

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Solution

The fourth proportional to 29,063.45, 40,108.00 and 28,057.77 is: 38,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,063.45 : 40,108.00 = 28,057.77 : x
  2. Step 2: Convert to fraction form
    29,063.45/40,108.00 = 28,057.77/x
  3. Step 3: Cross multiply
    29,063.45x = 40,108.00 × 28,057.77
  4. Step 4: Simplify right side
    29,063.45x = 1,125,340,869.36
  5. Step 5: Solve for x
    x = 1,125,340,869.36/29,063.45
  6. Step 6: Final answer
    x = 38,720.14

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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.