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Finding the Fourth Proportional to 53,673.84, 80,510.80 and 18,613.52

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Solution

The fourth proportional to 53,673.84, 80,510.80 and 18,613.52 is: 27,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.84 : 80,510.80 = 18,613.52 : x
  2. Step 2: Convert to fraction form
    53,673.84/80,510.80 = 18,613.52/x
  3. Step 3: Cross multiply
    53,673.84x = 80,510.80 × 18,613.52
  4. Step 4: Simplify right side
    53,673.84x = 1,498,589,386.02
  5. Step 5: Solve for x
    x = 1,498,589,386.02/53,673.84
  6. Step 6: Final answer
    x = 27,920.29

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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.