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Finding the Fourth Proportional to 58,334.81, 80,480.98 and 38,203.17

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Solution

The fourth proportional to 58,334.81, 80,480.98 and 38,203.17 is: 52,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,334.81 : 80,480.98 = 38,203.17 : x
  2. Step 2: Convert to fraction form
    58,334.81/80,480.98 = 38,203.17/x
  3. Step 3: Cross multiply
    58,334.81x = 80,480.98 × 38,203.17
  4. Step 4: Simplify right side
    58,334.81x = 3,074,628,163.40
  5. Step 5: Solve for x
    x = 3,074,628,163.40/58,334.81
  6. Step 6: Final answer
    x = 52,706.58

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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.