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Finding the Fourth Proportional to 15,073.40, 20,808.43 and 10,046.00

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Solution

The fourth proportional to 15,073.40, 20,808.43 and 10,046.00 is: 13,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.40 : 20,808.43 = 10,046.00 : x
  2. Step 2: Convert to fraction form
    15,073.40/20,808.43 = 10,046.00/x
  3. Step 3: Cross multiply
    15,073.40x = 20,808.43 × 10,046.00
  4. Step 4: Simplify right side
    15,073.40x = 209,041,358.62
  5. Step 5: Solve for x
    x = 209,041,358.62/15,073.40
  6. Step 6: Final answer
    x = 13,868.23

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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.