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Finding the Fourth Proportional to 21,888.62, 32,832.64 and 10,039.02

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Solution

The fourth proportional to 21,888.62, 32,832.64 and 10,039.02 is: 15,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.62 : 32,832.64 = 10,039.02 : x
  2. Step 2: Convert to fraction form
    21,888.62/32,832.64 = 10,039.02/x
  3. Step 3: Cross multiply
    21,888.62x = 32,832.64 × 10,039.02
  4. Step 4: Simplify right side
    21,888.62x = 329,607,529.61
  5. Step 5: Solve for x
    x = 329,607,529.61/21,888.62
  6. Step 6: Final answer
    x = 15,058.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.