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Finding the Fourth Proportional to 17,859.12, 24,647.06 and 9,903.91

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Solution

The fourth proportional to 17,859.12, 24,647.06 and 9,903.91 is: 13,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.12 : 24,647.06 = 9,903.91 : x
  2. Step 2: Convert to fraction form
    17,859.12/24,647.06 = 9,903.91/x
  3. Step 3: Cross multiply
    17,859.12x = 24,647.06 × 9,903.91
  4. Step 4: Simplify right side
    17,859.12x = 244,102,264.00
  5. Step 5: Solve for x
    x = 244,102,264.00/17,859.12
  6. Step 6: Final answer
    x = 13,668.21

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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.