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Finding the Fourth Proportional to 39,700.87, 59,788.97 and 36,157.93

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Solution

The fourth proportional to 39,700.87, 59,788.97 and 36,157.93 is: 54,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,700.87 : 59,788.97 = 36,157.93 : x
  2. Step 2: Convert to fraction form
    39,700.87/59,788.97 = 36,157.93/x
  3. Step 3: Cross multiply
    39,700.87x = 59,788.97 × 36,157.93
  4. Step 4: Simplify right side
    39,700.87x = 2,161,845,392.03
  5. Step 5: Solve for x
    x = 2,161,845,392.03/39,700.87
  6. Step 6: Final answer
    x = 54,453.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.