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Finding the Fourth Proportional to 15,599.52, 21,528.74 and 8,883.68

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Solution

The fourth proportional to 15,599.52, 21,528.74 and 8,883.68 is: 12,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.52 : 21,528.74 = 8,883.68 : x
  2. Step 2: Convert to fraction form
    15,599.52/21,528.74 = 8,883.68/x
  3. Step 3: Cross multiply
    15,599.52x = 21,528.74 × 8,883.68
  4. Step 4: Simplify right side
    15,599.52x = 191,254,436.96
  5. Step 5: Solve for x
    x = 191,254,436.96/15,599.52
  6. Step 6: Final answer
    x = 12,260.28

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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.