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Finding the Fourth Proportional to 17,409.60, 24,031.08 and 11,360.52

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Solution

The fourth proportional to 17,409.60, 24,031.08 and 11,360.52 is: 15,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.60 : 24,031.08 = 11,360.52 : x
  2. Step 2: Convert to fraction form
    17,409.60/24,031.08 = 11,360.52/x
  3. Step 3: Cross multiply
    17,409.60x = 24,031.08 × 11,360.52
  4. Step 4: Simplify right side
    17,409.60x = 273,005,564.96
  5. Step 5: Solve for x
    x = 273,005,564.96/17,409.60
  6. Step 6: Final answer
    x = 15,681.32

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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.