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Finding the Fourth Proportional to 6,432.48, 9,649.63 and 2,922.45

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Solution

The fourth proportional to 6,432.48, 9,649.63 and 2,922.45 is: 4,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.48 : 9,649.63 = 2,922.45 : x
  2. Step 2: Convert to fraction form
    6,432.48/9,649.63 = 2,922.45/x
  3. Step 3: Cross multiply
    6,432.48x = 9,649.63 × 2,922.45
  4. Step 4: Simplify right side
    6,432.48x = 28,200,528.66
  5. Step 5: Solve for x
    x = 28,200,528.66/6,432.48
  6. Step 6: Final answer
    x = 4,384.08

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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.