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Finding the Fourth Proportional to 17,312.24, 23,890.92 and 9,860.24

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Solution

The fourth proportional to 17,312.24, 23,890.92 and 9,860.24 is: 13,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.24 : 23,890.92 = 9,860.24 : x
  2. Step 2: Convert to fraction form
    17,312.24/23,890.92 = 9,860.24/x
  3. Step 3: Cross multiply
    17,312.24x = 23,890.92 × 9,860.24
  4. Step 4: Simplify right side
    17,312.24x = 235,570,205.02
  5. Step 5: Solve for x
    x = 235,570,205.02/17,312.24
  6. Step 6: Final answer
    x = 13,607.15

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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.