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Finding the Fourth Proportional to 60,221.32, 83,108.28 and 36,347.48

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Solution

The fourth proportional to 60,221.32, 83,108.28 and 36,347.48 is: 50,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,221.32 : 83,108.28 = 36,347.48 : x
  2. Step 2: Convert to fraction form
    60,221.32/83,108.28 = 36,347.48/x
  3. Step 3: Cross multiply
    60,221.32x = 83,108.28 × 36,347.48
  4. Step 4: Simplify right side
    60,221.32x = 3,020,776,840.58
  5. Step 5: Solve for x
    x = 3,020,776,840.58/60,221.32
  6. Step 6: Final answer
    x = 50,161.25

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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.