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Finding the Fourth Proportional to 59,825.60, 82,528.80 and 40,980.80

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Solution

The fourth proportional to 59,825.60, 82,528.80 and 40,980.80 is: 56,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,825.60 : 82,528.80 = 40,980.80 : x
  2. Step 2: Convert to fraction form
    59,825.60/82,528.80 = 40,980.80/x
  3. Step 3: Cross multiply
    59,825.60x = 82,528.80 × 40,980.80
  4. Step 4: Simplify right side
    59,825.60x = 3,382,096,247.04
  5. Step 5: Solve for x
    x = 3,382,096,247.04/59,825.60
  6. Step 6: Final answer
    x = 56,532.59

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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.