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Finding the Fourth Proportional to 22,339.60, 33,547.80 and 15,811.60

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Solution

The fourth proportional to 22,339.60, 33,547.80 and 15,811.60 is: 23,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.60 : 33,547.80 = 15,811.60 : x
  2. Step 2: Convert to fraction form
    22,339.60/33,547.80 = 15,811.60/x
  3. Step 3: Cross multiply
    22,339.60x = 33,547.80 × 15,811.60
  4. Step 4: Simplify right side
    22,339.60x = 530,444,394.48
  5. Step 5: Solve for x
    x = 530,444,394.48/22,339.60
  6. Step 6: Final answer
    x = 23,744.58

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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.