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Finding the Fourth Proportional to 6,432.63, 8,875.98 and 3,744.45

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Solution

The fourth proportional to 6,432.63, 8,875.98 and 3,744.45 is: 5,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.63 : 8,875.98 = 3,744.45 : x
  2. Step 2: Convert to fraction form
    6,432.63/8,875.98 = 3,744.45/x
  3. Step 3: Cross multiply
    6,432.63x = 8,875.98 × 3,744.45
  4. Step 4: Simplify right side
    6,432.63x = 33,235,663.31
  5. Step 5: Solve for x
    x = 33,235,663.31/6,432.63
  6. Step 6: Final answer
    x = 5,166.73

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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.