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Finding the Fourth Proportional to 60,427.74, 83,403.63 and 33,579.48

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Solution

The fourth proportional to 60,427.74, 83,403.63 and 33,579.48 is: 46,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,427.74 : 83,403.63 = 33,579.48 : x
  2. Step 2: Convert to fraction form
    60,427.74/83,403.63 = 33,579.48/x
  3. Step 3: Cross multiply
    60,427.74x = 83,403.63 × 33,579.48
  4. Step 4: Simplify right side
    60,427.74x = 2,800,650,712.35
  5. Step 5: Solve for x
    x = 2,800,650,712.35/60,427.74
  6. Step 6: Final answer
    x = 46,347.10

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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.