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Finding the Fourth Proportional to 59,690.40, 82,324.80 and 52,504.80

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Solution

The fourth proportional to 59,690.40, 82,324.80 and 52,504.80 is: 72,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,690.40 : 82,324.80 = 52,504.80 : x
  2. Step 2: Convert to fraction form
    59,690.40/82,324.80 = 52,504.80/x
  3. Step 3: Cross multiply
    59,690.40x = 82,324.80 × 52,504.80
  4. Step 4: Simplify right side
    59,690.40x = 4,322,447,159.04
  5. Step 5: Solve for x
    x = 4,322,447,159.04/59,690.40
  6. Step 6: Final answer
    x = 72,414.44

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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.