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Finding the Fourth Proportional to 17,655.78, 24,364.33 and 9,697.53

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Solution

The fourth proportional to 17,655.78, 24,364.33 and 9,697.53 is: 13,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.78 : 24,364.33 = 9,697.53 : x
  2. Step 2: Convert to fraction form
    17,655.78/24,364.33 = 9,697.53/x
  3. Step 3: Cross multiply
    17,655.78x = 24,364.33 × 9,697.53
  4. Step 4: Simplify right side
    17,655.78x = 236,273,888.23
  5. Step 5: Solve for x
    x = 236,273,888.23/17,655.78
  6. Step 6: Final answer
    x = 13,382.24

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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.