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Finding the Fourth Proportional to 3,332.48, 4,996.80 and 1,356.80

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Solution

The fourth proportional to 3,332.48, 4,996.80 and 1,356.80 is: 2,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.48 : 4,996.80 = 1,356.80 : x
  2. Step 2: Convert to fraction form
    3,332.48/4,996.80 = 1,356.80/x
  3. Step 3: Cross multiply
    3,332.48x = 4,996.80 × 1,356.80
  4. Step 4: Simplify right side
    3,332.48x = 6,779,658.24
  5. Step 5: Solve for x
    x = 6,779,658.24/3,332.48
  6. Step 6: Final answer
    x = 2,034.42

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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.