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Finding the Fourth Proportional to 72,267.55, 108,411.55 and 22,352.04

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Solution

The fourth proportional to 72,267.55, 108,411.55 and 22,352.04 is: 33,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.55 : 108,411.55 = 22,352.04 : x
  2. Step 2: Convert to fraction form
    72,267.55/108,411.55 = 22,352.04/x
  3. Step 3: Cross multiply
    72,267.55x = 108,411.55 × 22,352.04
  4. Step 4: Simplify right side
    72,267.55x = 2,423,219,246.18
  5. Step 5: Solve for x
    x = 2,423,219,246.18/72,267.55
  6. Step 6: Final answer
    x = 33,531.22

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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.