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Finding the Fourth Proportional to 62,443.70, 93,665.55 and 43,416.80

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Solution

The fourth proportional to 62,443.70, 93,665.55 and 43,416.80 is: 65,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,443.70 : 93,665.55 = 43,416.80 : x
  2. Step 2: Convert to fraction form
    62,443.70/93,665.55 = 43,416.80/x
  3. Step 3: Cross multiply
    62,443.70x = 93,665.55 × 43,416.80
  4. Step 4: Simplify right side
    62,443.70x = 4,066,658,451.24
  5. Step 5: Solve for x
    x = 4,066,658,451.24/62,443.70
  6. Step 6: Final answer
    x = 65,125.20

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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.