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Finding the Fourth Proportional to 52,809.60, 79,226.40 and 17,752.80

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Solution

The fourth proportional to 52,809.60, 79,226.40 and 17,752.80 is: 26,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.60 : 79,226.40 = 17,752.80 : x
  2. Step 2: Convert to fraction form
    52,809.60/79,226.40 = 17,752.80/x
  3. Step 3: Cross multiply
    52,809.60x = 79,226.40 × 17,752.80
  4. Step 4: Simplify right side
    52,809.60x = 1,406,490,433.92
  5. Step 5: Solve for x
    x = 1,406,490,433.92/52,809.60
  6. Step 6: Final answer
    x = 26,633.23

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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.