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Finding the Fourth Proportional to 15,597.74, 21,523.85 and 8,884.06

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Solution

The fourth proportional to 15,597.74, 21,523.85 and 8,884.06 is: 12,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.74 : 21,523.85 = 8,884.06 : x
  2. Step 2: Convert to fraction form
    15,597.74/21,523.85 = 8,884.06/x
  3. Step 3: Cross multiply
    15,597.74x = 21,523.85 × 8,884.06
  4. Step 4: Simplify right side
    15,597.74x = 191,219,174.83
  5. Step 5: Solve for x
    x = 191,219,174.83/15,597.74
  6. Step 6: Final answer
    x = 12,259.42

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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.