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Finding the Fourth Proportional to 5,624.92, 7,762.04 and 3,387.52

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Solution

The fourth proportional to 5,624.92, 7,762.04 and 3,387.52 is: 4,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.92 : 7,762.04 = 3,387.52 : x
  2. Step 2: Convert to fraction form
    5,624.92/7,762.04 = 3,387.52/x
  3. Step 3: Cross multiply
    5,624.92x = 7,762.04 × 3,387.52
  4. Step 4: Simplify right side
    5,624.92x = 26,294,065.74
  5. Step 5: Solve for x
    x = 26,294,065.74/5,624.92
  6. Step 6: Final answer
    x = 4,674.57

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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.