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Finding the Fourth Proportional to 39,483.36, 54,486.90 and 22,486.68

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Solution

The fourth proportional to 39,483.36, 54,486.90 and 22,486.68 is: 31,031.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,483.36 : 54,486.90 = 22,486.68 : x
  2. Step 2: Convert to fraction form
    39,483.36/54,486.90 = 22,486.68/x
  3. Step 3: Cross multiply
    39,483.36x = 54,486.90 × 22,486.68
  4. Step 4: Simplify right side
    39,483.36x = 1,225,229,484.49
  5. Step 5: Solve for x
    x = 1,225,229,484.49/39,483.36
  6. Step 6: Final answer
    x = 31,031.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.