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Finding the Fourth Proportional to 12,530.61, 18,759.09 and 6,593.43

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Solution

The fourth proportional to 12,530.61, 18,759.09 and 6,593.43 is: 9,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.61 : 18,759.09 = 6,593.43 : x
  2. Step 2: Convert to fraction form
    12,530.61/18,759.09 = 6,593.43/x
  3. Step 3: Cross multiply
    12,530.61x = 18,759.09 × 6,593.43
  4. Step 4: Simplify right side
    12,530.61x = 123,686,746.78
  5. Step 5: Solve for x
    x = 123,686,746.78/12,530.61
  6. Step 6: Final answer
    x = 9,870.77

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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.