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Finding the Fourth Proportional to 15,597.84, 21,526.68 and 8,883.84

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Solution

The fourth proportional to 15,597.84, 21,526.68 and 8,883.84 is: 12,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.84 : 21,526.68 = 8,883.84 : x
  2. Step 2: Convert to fraction form
    15,597.84/21,526.68 = 8,883.84/x
  3. Step 3: Cross multiply
    15,597.84x = 21,526.68 × 8,883.84
  4. Step 4: Simplify right side
    15,597.84x = 191,239,580.85
  5. Step 5: Solve for x
    x = 191,239,580.85/15,597.84
  6. Step 6: Final answer
    x = 12,260.65

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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.