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Finding the Fourth Proportional to 55,612.68, 83,401.59 and 18,164.22

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Solution

The fourth proportional to 55,612.68, 83,401.59 and 18,164.22 is: 27,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,612.68 : 83,401.59 = 18,164.22 : x
  2. Step 2: Convert to fraction form
    55,612.68/83,401.59 = 18,164.22/x
  3. Step 3: Cross multiply
    55,612.68x = 83,401.59 × 18,164.22
  4. Step 4: Simplify right side
    55,612.68x = 1,514,924,829.11
  5. Step 5: Solve for x
    x = 1,514,924,829.11/55,612.68
  6. Step 6: Final answer
    x = 27,240.64

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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.