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Finding the Fourth Proportional to 52,212.74, 78,220.46 and 40,468.46

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Solution

The fourth proportional to 52,212.74, 78,220.46 and 40,468.46 is: 60,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.74 : 78,220.46 = 40,468.46 : x
  2. Step 2: Convert to fraction form
    52,212.74/78,220.46 = 40,468.46/x
  3. Step 3: Cross multiply
    52,212.74x = 78,220.46 × 40,468.46
  4. Step 4: Simplify right side
    52,212.74x = 3,165,461,266.76
  5. Step 5: Solve for x
    x = 3,165,461,266.76/52,212.74
  6. Step 6: Final answer
    x = 60,626.23

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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.