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Finding the Fourth Proportional to 22,616.01, 31,206.06 and 13,657.52

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Solution

The fourth proportional to 22,616.01, 31,206.06 and 13,657.52 is: 18,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.01 : 31,206.06 = 13,657.52 : x
  2. Step 2: Convert to fraction form
    22,616.01/31,206.06 = 13,657.52/x
  3. Step 3: Cross multiply
    22,616.01x = 31,206.06 × 13,657.52
  4. Step 4: Simplify right side
    22,616.01x = 426,197,232.54
  5. Step 5: Solve for x
    x = 426,197,232.54/22,616.01
  6. Step 6: Final answer
    x = 18,844.93

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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.