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Finding the Fourth Proportional to 22,379.32, 33,569.00 and 10,657.00

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Solution

The fourth proportional to 22,379.32, 33,569.00 and 10,657.00 is: 15,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.32 : 33,569.00 = 10,657.00 : x
  2. Step 2: Convert to fraction form
    22,379.32/33,569.00 = 10,657.00/x
  3. Step 3: Cross multiply
    22,379.32x = 33,569.00 × 10,657.00
  4. Step 4: Simplify right side
    22,379.32x = 357,744,611.87
  5. Step 5: Solve for x
    x = 357,744,611.87/22,379.32
  6. Step 6: Final answer
    x = 15,985.50

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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.