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Finding the Fourth Proportional to 18,445, 25,454.64 and 10,062.04

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Solution

The fourth proportional to 18,445, 25,454.64 and 10,062.04 is: 13,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445 : 25,454.64 = 10,062.04 : x
  2. Step 2: Convert to fraction form
    18,445/25,454.64 = 10,062.04/x
  3. Step 3: Cross multiply
    18,445x = 25,454.64 × 10,062.04
  4. Step 4: Simplify right side
    18,445x = 256,125,605.87
  5. Step 5: Solve for x
    x = 256,125,605.87/18,445
  6. Step 6: Final answer
    x = 13,885.91

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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.