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Finding the Fourth Proportional to 52,296.60, 72,169.72 and 28,423.22

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Solution

The fourth proportional to 52,296.60, 72,169.72 and 28,423.22 is: 39,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,296.60 : 72,169.72 = 28,423.22 : x
  2. Step 2: Convert to fraction form
    52,296.60/72,169.72 = 28,423.22/x
  3. Step 3: Cross multiply
    52,296.60x = 72,169.72 × 28,423.22
  4. Step 4: Simplify right side
    52,296.60x = 2,051,295,828.90
  5. Step 5: Solve for x
    x = 2,051,295,828.90/52,296.60
  6. Step 6: Final answer
    x = 39,224.27

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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.