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Finding the Fourth Proportional to 53,606.40, 80,438.40 and 22,444.80

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Solution

The fourth proportional to 53,606.40, 80,438.40 and 22,444.80 is: 33,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.40 : 80,438.40 = 22,444.80 : x
  2. Step 2: Convert to fraction form
    53,606.40/80,438.40 = 22,444.80/x
  3. Step 3: Cross multiply
    53,606.40x = 80,438.40 × 22,444.80
  4. Step 4: Simplify right side
    53,606.40x = 1,805,423,800.32
  5. Step 5: Solve for x
    x = 1,805,423,800.32/53,606.40
  6. Step 6: Final answer
    x = 33,679.26

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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.