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Finding the Fourth Proportional to 8,398.48, 12,599.08 and 2,852.32

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Solution

The fourth proportional to 8,398.48, 12,599.08 and 2,852.32 is: 4,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.48 : 12,599.08 = 2,852.32 : x
  2. Step 2: Convert to fraction form
    8,398.48/12,599.08 = 2,852.32/x
  3. Step 3: Cross multiply
    8,398.48x = 12,599.08 × 2,852.32
  4. Step 4: Simplify right side
    8,398.48x = 35,936,607.87
  5. Step 5: Solve for x
    x = 35,936,607.87/8,398.48
  6. Step 6: Final answer
    x = 4,278.94

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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.