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Finding the Fourth Proportional to 86,006.64, 129,035.88 and 26,848.56

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Solution

The fourth proportional to 86,006.64, 129,035.88 and 26,848.56 is: 40,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,006.64 : 129,035.88 = 26,848.56 : x
  2. Step 2: Convert to fraction form
    86,006.64/129,035.88 = 26,848.56/x
  3. Step 3: Cross multiply
    86,006.64x = 129,035.88 × 26,848.56
  4. Step 4: Simplify right side
    86,006.64x = 3,464,427,566.33
  5. Step 5: Solve for x
    x = 3,464,427,566.33/86,006.64
  6. Step 6: Final answer
    x = 40,280.93

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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.