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Finding the Fourth Proportional to 18,466.65, 25,486.11 and 10,510.29

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Solution

The fourth proportional to 18,466.65, 25,486.11 and 10,510.29 is: 14,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.65 : 25,486.11 = 10,510.29 : x
  2. Step 2: Convert to fraction form
    18,466.65/25,486.11 = 10,510.29/x
  3. Step 3: Cross multiply
    18,466.65x = 25,486.11 × 10,510.29
  4. Step 4: Simplify right side
    18,466.65x = 267,866,407.07
  5. Step 5: Solve for x
    x = 267,866,407.07/18,466.65
  6. Step 6: Final answer
    x = 14,505.41

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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.