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Finding the Fourth Proportional to 15,598.64, 21,526 and 8,792.04

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Solution

The fourth proportional to 15,598.64, 21,526 and 8,792.04 is: 12,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.64 : 21,526 = 8,792.04 : x
  2. Step 2: Convert to fraction form
    15,598.64/21,526 = 8,792.04/x
  3. Step 3: Cross multiply
    15,598.64x = 21,526 × 8,792.04
  4. Step 4: Simplify right side
    15,598.64x = 189,257,453.04
  5. Step 5: Solve for x
    x = 189,257,453.04/15,598.64
  6. Step 6: Final answer
    x = 12,132.95

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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.