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Finding the Fourth Proportional to 44,686.80, 67,030.20 and 20,110.80

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Solution

The fourth proportional to 44,686.80, 67,030.20 and 20,110.80 is: 30,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,686.80 : 67,030.20 = 20,110.80 : x
  2. Step 2: Convert to fraction form
    44,686.80/67,030.20 = 20,110.80/x
  3. Step 3: Cross multiply
    44,686.80x = 67,030.20 × 20,110.80
  4. Step 4: Simplify right side
    44,686.80x = 1,348,030,946.16
  5. Step 5: Solve for x
    x = 1,348,030,946.16/44,686.80
  6. Step 6: Final answer
    x = 30,166.20

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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.