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Finding the Fourth Proportional to 15,599.88, 21,527.28 and 8,526.12

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Solution

The fourth proportional to 15,599.88, 21,527.28 and 8,526.12 is: 11,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.88 : 21,527.28 = 8,526.12 : x
  2. Step 2: Convert to fraction form
    15,599.88/21,527.28 = 8,526.12/x
  3. Step 3: Cross multiply
    15,599.88x = 21,527.28 × 8,526.12
  4. Step 4: Simplify right side
    15,599.88x = 183,544,172.55
  5. Step 5: Solve for x
    x = 183,544,172.55/15,599.88
  6. Step 6: Final answer
    x = 11,765.74

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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.