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Finding the Fourth Proportional to 14,574.20, 21,868.22 and 7,552.91

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Solution

The fourth proportional to 14,574.20, 21,868.22 and 7,552.91 is: 11,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.20 : 21,868.22 = 7,552.91 : x
  2. Step 2: Convert to fraction form
    14,574.20/21,868.22 = 7,552.91/x
  3. Step 3: Cross multiply
    14,574.20x = 21,868.22 × 7,552.91
  4. Step 4: Simplify right side
    14,574.20x = 165,168,550.41
  5. Step 5: Solve for x
    x = 165,168,550.41/14,574.20
  6. Step 6: Final answer
    x = 11,332.95

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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.