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Finding the Fourth Proportional to 22,947.51, 34,392.11 and 12,547.11

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Solution

The fourth proportional to 22,947.51, 34,392.11 and 12,547.11 is: 18,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.51 : 34,392.11 = 12,547.11 : x
  2. Step 2: Convert to fraction form
    22,947.51/34,392.11 = 12,547.11/x
  3. Step 3: Cross multiply
    22,947.51x = 34,392.11 × 12,547.11
  4. Step 4: Simplify right side
    22,947.51x = 431,521,524.57
  5. Step 5: Solve for x
    x = 431,521,524.57/22,947.51
  6. Step 6: Final answer
    x = 18,804.72

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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.