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Finding the Fourth Proportional to 18,551.40, 25,600.88 and 10,053.77

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Solution

The fourth proportional to 18,551.40, 25,600.88 and 10,053.77 is: 13,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.40 : 25,600.88 = 10,053.77 : x
  2. Step 2: Convert to fraction form
    18,551.40/25,600.88 = 10,053.77/x
  3. Step 3: Cross multiply
    18,551.40x = 25,600.88 × 10,053.77
  4. Step 4: Simplify right side
    18,551.40x = 257,385,181.04
  5. Step 5: Solve for x
    x = 257,385,181.04/18,551.40
  6. Step 6: Final answer
    x = 13,874.16

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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.