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Finding the Fourth Proportional to 50,498.64, 69,687.95 and 29,290.01

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Solution

The fourth proportional to 50,498.64, 69,687.95 and 29,290.01 is: 40,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,498.64 : 69,687.95 = 29,290.01 : x
  2. Step 2: Convert to fraction form
    50,498.64/69,687.95 = 29,290.01/x
  3. Step 3: Cross multiply
    50,498.64x = 69,687.95 × 29,290.01
  4. Step 4: Simplify right side
    50,498.64x = 2,041,160,257.49
  5. Step 5: Solve for x
    x = 2,041,160,257.49/50,498.64
  6. Step 6: Final answer
    x = 40,420.10

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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.