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Finding the Fourth Proportional to 53,603.60, 80,443.80 and 22,461.20

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Solution

The fourth proportional to 53,603.60, 80,443.80 and 22,461.20 is: 33,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,603.60 : 80,443.80 = 22,461.20 : x
  2. Step 2: Convert to fraction form
    53,603.60/80,443.80 = 22,461.20/x
  3. Step 3: Cross multiply
    53,603.60x = 80,443.80 × 22,461.20
  4. Step 4: Simplify right side
    53,603.60x = 1,806,864,280.56
  5. Step 5: Solve for x
    x = 1,806,864,280.56/53,603.60
  6. Step 6: Final answer
    x = 33,707.89

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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.