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Finding the Fourth Proportional to 18,352.70, 25,752.10 and 18,352.70

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Solution

The fourth proportional to 18,352.70, 25,752.10 and 18,352.70 is: 25,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.70 : 25,752.10 = 18,352.70 : x
  2. Step 2: Convert to fraction form
    18,352.70/25,752.10 = 18,352.70/x
  3. Step 3: Cross multiply
    18,352.70x = 25,752.10 × 18,352.70
  4. Step 4: Simplify right side
    18,352.70x = 472,620,565.67
  5. Step 5: Solve for x
    x = 472,620,565.67/18,352.70
  6. Step 6: Final answer
    x = 25,752.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.