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Finding the Fourth Proportional to 58,937.68, 81,334.56 and 33,787

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Solution

The fourth proportional to 58,937.68, 81,334.56 and 33,787 is: 46,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,937.68 : 81,334.56 = 33,787 : x
  2. Step 2: Convert to fraction form
    58,937.68/81,334.56 = 33,787/x
  3. Step 3: Cross multiply
    58,937.68x = 81,334.56 × 33,787
  4. Step 4: Simplify right side
    58,937.68x = 2,748,050,778.72
  5. Step 5: Solve for x
    x = 2,748,050,778.72/58,937.68
  6. Step 6: Final answer
    x = 46,626.38

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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.