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Finding the Fourth Proportional to 74,603.68, 111,877.20 and 24,668.80

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Solution

The fourth proportional to 74,603.68, 111,877.20 and 24,668.80 is: 36,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,603.68 : 111,877.20 = 24,668.80 : x
  2. Step 2: Convert to fraction form
    74,603.68/111,877.20 = 24,668.80/x
  3. Step 3: Cross multiply
    74,603.68x = 111,877.20 × 24,668.80
  4. Step 4: Simplify right side
    74,603.68x = 2,759,876,271.36
  5. Step 5: Solve for x
    x = 2,759,876,271.36/74,603.68
  6. Step 6: Final answer
    x = 36,993.84

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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.