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Finding the Fourth Proportional to 39,140.80, 58,624.80 and 32,228.80

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Solution

The fourth proportional to 39,140.80, 58,624.80 and 32,228.80 is: 48,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.80 : 58,624.80 = 32,228.80 : x
  2. Step 2: Convert to fraction form
    39,140.80/58,624.80 = 32,228.80/x
  3. Step 3: Cross multiply
    39,140.80x = 58,624.80 × 32,228.80
  4. Step 4: Simplify right side
    39,140.80x = 1,889,406,954.24
  5. Step 5: Solve for x
    x = 1,889,406,954.24/39,140.80
  6. Step 6: Final answer
    x = 48,272.06

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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.