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Finding the Fourth Proportional to 22,291.20, 33,663.60 and 22,291.20

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Solution

The fourth proportional to 22,291.20, 33,663.60 and 22,291.20 is: 33,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291.20 : 33,663.60 = 22,291.20 : x
  2. Step 2: Convert to fraction form
    22,291.20/33,663.60 = 22,291.20/x
  3. Step 3: Cross multiply
    22,291.20x = 33,663.60 × 22,291.20
  4. Step 4: Simplify right side
    22,291.20x = 750,402,040.32
  5. Step 5: Solve for x
    x = 750,402,040.32/22,291.20
  6. Step 6: Final answer
    x = 33,663.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.