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Finding the Fourth Proportional to 66,319.52, 99,448.08 and 26,846.60

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Solution

The fourth proportional to 66,319.52, 99,448.08 and 26,846.60 is: 40,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.52 : 99,448.08 = 26,846.60 : x
  2. Step 2: Convert to fraction form
    66,319.52/99,448.08 = 26,846.60/x
  3. Step 3: Cross multiply
    66,319.52x = 99,448.08 × 26,846.60
  4. Step 4: Simplify right side
    66,319.52x = 2,669,842,824.53
  5. Step 5: Solve for x
    x = 2,669,842,824.53/66,319.52
  6. Step 6: Final answer
    x = 40,257.27

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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.