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Finding the Fourth Proportional to 58,417.60, 80,616.20 and 33,267.10

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Solution

The fourth proportional to 58,417.60, 80,616.20 and 33,267.10 is: 45,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,417.60 : 80,616.20 = 33,267.10 : x
  2. Step 2: Convert to fraction form
    58,417.60/80,616.20 = 33,267.10/x
  3. Step 3: Cross multiply
    58,417.60x = 80,616.20 × 33,267.10
  4. Step 4: Simplify right side
    58,417.60x = 2,681,867,187.02
  5. Step 5: Solve for x
    x = 2,681,867,187.02/58,417.60
  6. Step 6: Final answer
    x = 45,908.55

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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.