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Finding the Fourth Proportional to 8,992.48, 13,487.44 and 2,836.32

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Solution

The fourth proportional to 8,992.48, 13,487.44 and 2,836.32 is: 4,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.48 : 13,487.44 = 2,836.32 : x
  2. Step 2: Convert to fraction form
    8,992.48/13,487.44 = 2,836.32/x
  3. Step 3: Cross multiply
    8,992.48x = 13,487.44 × 2,836.32
  4. Step 4: Simplify right side
    8,992.48x = 38,254,695.82
  5. Step 5: Solve for x
    x = 38,254,695.82/8,992.48
  6. Step 6: Final answer
    x = 4,254.08

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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.