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Finding the Fourth Proportional to 15,141.70, 22,712.55 and 9,301.60

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Solution

The fourth proportional to 15,141.70, 22,712.55 and 9,301.60 is: 13,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.70 : 22,712.55 = 9,301.60 : x
  2. Step 2: Convert to fraction form
    15,141.70/22,712.55 = 9,301.60/x
  3. Step 3: Cross multiply
    15,141.70x = 22,712.55 × 9,301.60
  4. Step 4: Simplify right side
    15,141.70x = 211,263,055.08
  5. Step 5: Solve for x
    x = 211,263,055.08/15,141.70
  6. Step 6: Final answer
    x = 13,952.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.