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Finding the Fourth Proportional to 7,881.08, 10,875.80 and 4,344.22

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Solution

The fourth proportional to 7,881.08, 10,875.80 and 4,344.22 is: 5,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.08 : 10,875.80 = 4,344.22 : x
  2. Step 2: Convert to fraction form
    7,881.08/10,875.80 = 4,344.22/x
  3. Step 3: Cross multiply
    7,881.08x = 10,875.80 × 4,344.22
  4. Step 4: Simplify right side
    7,881.08x = 47,246,867.88
  5. Step 5: Solve for x
    x = 47,246,867.88/7,881.08
  6. Step 6: Final answer
    x = 5,994.97

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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.