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Finding the Fourth Proportional to 22,036.76, 30,410.55 and 11,965.00

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Solution

The fourth proportional to 22,036.76, 30,410.55 and 11,965.00 is: 16,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.76 : 30,410.55 = 11,965.00 : x
  2. Step 2: Convert to fraction form
    22,036.76/30,410.55 = 11,965.00/x
  3. Step 3: Cross multiply
    22,036.76x = 30,410.55 × 11,965.00
  4. Step 4: Simplify right side
    22,036.76x = 363,862,154.72
  5. Step 5: Solve for x
    x = 363,862,154.72/22,036.76
  6. Step 6: Final answer
    x = 16,511.60

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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.