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Finding the Fourth Proportional to 66,329.76, 99,406.88 and 26,840.16

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Solution

The fourth proportional to 66,329.76, 99,406.88 and 26,840.16 is: 40,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,329.76 : 99,406.88 = 26,840.16 : x
  2. Step 2: Convert to fraction form
    66,329.76/99,406.88 = 26,840.16/x
  3. Step 3: Cross multiply
    66,329.76x = 99,406.88 × 26,840.16
  4. Step 4: Simplify right side
    66,329.76x = 2,668,096,564.30
  5. Step 5: Solve for x
    x = 2,668,096,564.30/66,329.76
  6. Step 6: Final answer
    x = 40,224.73

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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.