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Finding the Fourth Proportional to 58,724.79, 81,040.32 and 33,574.29

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Solution

The fourth proportional to 58,724.79, 81,040.32 and 33,574.29 is: 46,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,724.79 : 81,040.32 = 33,574.29 : x
  2. Step 2: Convert to fraction form
    58,724.79/81,040.32 = 33,574.29/x
  3. Step 3: Cross multiply
    58,724.79x = 81,040.32 × 33,574.29
  4. Step 4: Simplify right side
    58,724.79x = 2,720,871,205.37
  5. Step 5: Solve for x
    x = 2,720,871,205.37/58,724.79
  6. Step 6: Final answer
    x = 46,332.58

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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.