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Finding the Fourth Proportional to 22,437.80, 30,964.02 and 12,366.25

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Solution

The fourth proportional to 22,437.80, 30,964.02 and 12,366.25 is: 17,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.80 : 30,964.02 = 12,366.25 : x
  2. Step 2: Convert to fraction form
    22,437.80/30,964.02 = 12,366.25/x
  3. Step 3: Cross multiply
    22,437.80x = 30,964.02 × 12,366.25
  4. Step 4: Simplify right side
    22,437.80x = 382,908,812.33
  5. Step 5: Solve for x
    x = 382,908,812.33/22,437.80
  6. Step 6: Final answer
    x = 17,065.35

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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.