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Finding the Fourth Proportional to 58,969.98, 81,378.99 and 32,112.54

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Solution

The fourth proportional to 58,969.98, 81,378.99 and 32,112.54 is: 44,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,969.98 : 81,378.99 = 32,112.54 : x
  2. Step 2: Convert to fraction form
    58,969.98/81,378.99 = 32,112.54/x
  3. Step 3: Cross multiply
    58,969.98x = 81,378.99 × 32,112.54
  4. Step 4: Simplify right side
    58,969.98x = 2,613,286,071.53
  5. Step 5: Solve for x
    x = 2,613,286,071.53/58,969.98
  6. Step 6: Final answer
    x = 44,315.53

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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.