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Finding the Fourth Proportional to 22,211.66, 30,649.14 and 14,264.65

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Solution

The fourth proportional to 22,211.66, 30,649.14 and 14,264.65 is: 19,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.66 : 30,649.14 = 14,264.65 : x
  2. Step 2: Convert to fraction form
    22,211.66/30,649.14 = 14,264.65/x
  3. Step 3: Cross multiply
    22,211.66x = 30,649.14 × 14,264.65
  4. Step 4: Simplify right side
    22,211.66x = 437,199,254.90
  5. Step 5: Solve for x
    x = 437,199,254.90/22,211.66
  6. Step 6: Final answer
    x = 19,683.32

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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.