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Finding the Fourth Proportional to 34,642.62, 51,911.06 and 18,008.06

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Solution

The fourth proportional to 34,642.62, 51,911.06 and 18,008.06 is: 26,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.62 : 51,911.06 = 18,008.06 : x
  2. Step 2: Convert to fraction form
    34,642.62/51,911.06 = 18,008.06/x
  3. Step 3: Cross multiply
    34,642.62x = 51,911.06 × 18,008.06
  4. Step 4: Simplify right side
    34,642.62x = 934,817,268.61
  5. Step 5: Solve for x
    x = 934,817,268.61/34,642.62
  6. Step 6: Final answer
    x = 26,984.60

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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.