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Finding the Fourth Proportional to 58,441.57, 80,643.53 and 35,786.98

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Solution

The fourth proportional to 58,441.57, 80,643.53 and 35,786.98 is: 49,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,441.57 : 80,643.53 = 35,786.98 : x
  2. Step 2: Convert to fraction form
    58,441.57/80,643.53 = 35,786.98/x
  3. Step 3: Cross multiply
    58,441.57x = 80,643.53 × 35,786.98
  4. Step 4: Simplify right side
    58,441.57x = 2,885,988,585.51
  5. Step 5: Solve for x
    x = 2,885,988,585.51/58,441.57
  6. Step 6: Final answer
    x = 49,382.46

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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.