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Finding the Fourth Proportional to 60,036.40, 89,968.20 and 26,729.20

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Solution

The fourth proportional to 60,036.40, 89,968.20 and 26,729.20 is: 40,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,036.40 : 89,968.20 = 26,729.20 : x
  2. Step 2: Convert to fraction form
    60,036.40/89,968.20 = 26,729.20/x
  3. Step 3: Cross multiply
    60,036.40x = 89,968.20 × 26,729.20
  4. Step 4: Simplify right side
    60,036.40x = 2,404,778,011.44
  5. Step 5: Solve for x
    x = 2,404,778,011.44/60,036.40
  6. Step 6: Final answer
    x = 40,055.33

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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.