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Finding the Fourth Proportional to 15,593.29, 21,520.01 and 8,881.02

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Solution

The fourth proportional to 15,593.29, 21,520.01 and 8,881.02 is: 12,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.29 : 21,520.01 = 8,881.02 : x
  2. Step 2: Convert to fraction form
    15,593.29/21,520.01 = 8,881.02/x
  3. Step 3: Cross multiply
    15,593.29x = 21,520.01 × 8,881.02
  4. Step 4: Simplify right side
    15,593.29x = 191,119,661.41
  5. Step 5: Solve for x
    x = 191,119,661.41/15,593.29
  6. Step 6: Final answer
    x = 12,256.53

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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.