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Finding the Fourth Proportional to 74,368.89, 111,597.66 and 26,987.68

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Solution

The fourth proportional to 74,368.89, 111,597.66 and 26,987.68 is: 40,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.89 : 111,597.66 = 26,987.68 : x
  2. Step 2: Convert to fraction form
    74,368.89/111,597.66 = 26,987.68/x
  3. Step 3: Cross multiply
    74,368.89x = 111,597.66 × 26,987.68
  4. Step 4: Simplify right side
    74,368.89x = 3,011,762,076.33
  5. Step 5: Solve for x
    x = 3,011,762,076.33/74,368.89
  6. Step 6: Final answer
    x = 40,497.61

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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.