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Finding the Fourth Proportional to 15,225.08, 22,782.08 and 8,988.08

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Solution

The fourth proportional to 15,225.08, 22,782.08 and 8,988.08 is: 13,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.08 : 22,782.08 = 8,988.08 : x
  2. Step 2: Convert to fraction form
    15,225.08/22,782.08 = 8,988.08/x
  3. Step 3: Cross multiply
    15,225.08x = 22,782.08 × 8,988.08
  4. Step 4: Simplify right side
    15,225.08x = 204,767,157.61
  5. Step 5: Solve for x
    x = 204,767,157.61/15,225.08
  6. Step 6: Final answer
    x = 13,449.33

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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.