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Finding the Fourth Proportional to 74,668.55, 112,024.69 and 22,079.40

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Solution

The fourth proportional to 74,668.55, 112,024.69 and 22,079.40 is: 33,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.55 : 112,024.69 = 22,079.40 : x
  2. Step 2: Convert to fraction form
    74,668.55/112,024.69 = 22,079.40/x
  3. Step 3: Cross multiply
    74,668.55x = 112,024.69 × 22,079.40
  4. Step 4: Simplify right side
    74,668.55x = 2,473,437,940.39
  5. Step 5: Solve for x
    x = 2,473,437,940.39/74,668.55
  6. Step 6: Final answer
    x = 33,125.57

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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.