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Finding the Fourth Proportional to 60,309.58, 83,255.79 and 40,199.98

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Solution

The fourth proportional to 60,309.58, 83,255.79 and 40,199.98 is: 55,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.58 : 83,255.79 = 40,199.98 : x
  2. Step 2: Convert to fraction form
    60,309.58/83,255.79 = 40,199.98/x
  3. Step 3: Cross multiply
    60,309.58x = 83,255.79 × 40,199.98
  4. Step 4: Simplify right side
    60,309.58x = 3,346,881,092.88
  5. Step 5: Solve for x
    x = 3,346,881,092.88/60,309.58
  6. Step 6: Final answer
    x = 55,495.02

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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.