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Finding the Fourth Proportional to 14,659.95, 21,996.15 and 7,264.55

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Solution

The fourth proportional to 14,659.95, 21,996.15 and 7,264.55 is: 10,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.95 : 21,996.15 = 7,264.55 : x
  2. Step 2: Convert to fraction form
    14,659.95/21,996.15 = 7,264.55/x
  3. Step 3: Cross multiply
    14,659.95x = 21,996.15 × 7,264.55
  4. Step 4: Simplify right side
    14,659.95x = 159,792,131.48
  5. Step 5: Solve for x
    x = 159,792,131.48/14,659.95
  6. Step 6: Final answer
    x = 10,899.91

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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.