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Finding the Fourth Proportional to 52,295.84, 72,168.72 and 28,422.53

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Solution

The fourth proportional to 52,295.84, 72,168.72 and 28,422.53 is: 39,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.84 : 72,168.72 = 28,422.53 : x
  2. Step 2: Convert to fraction form
    52,295.84/72,168.72 = 28,422.53/x
  3. Step 3: Cross multiply
    52,295.84x = 72,168.72 × 28,422.53
  4. Step 4: Simplify right side
    52,295.84x = 2,051,217,609.26
  5. Step 5: Solve for x
    x = 2,051,217,609.26/52,295.84
  6. Step 6: Final answer
    x = 39,223.34

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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.