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Finding the Fourth Proportional to 22,124.80, 33,114.30 and 19,500.40

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Solution

The fourth proportional to 22,124.80, 33,114.30 and 19,500.40 is: 29,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,124.80 : 33,114.30 = 19,500.40 : x
  2. Step 2: Convert to fraction form
    22,124.80/33,114.30 = 19,500.40/x
  3. Step 3: Cross multiply
    22,124.80x = 33,114.30 × 19,500.40
  4. Step 4: Simplify right side
    22,124.80x = 645,742,095.72
  5. Step 5: Solve for x
    x = 645,742,095.72/22,124.80
  6. Step 6: Final answer
    x = 29,186.35

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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.