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Finding the Fourth Proportional to 58,552.81, 80,802.92 and 31,695.23

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Solution

The fourth proportional to 58,552.81, 80,802.92 and 31,695.23 is: 43,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,552.81 : 80,802.92 = 31,695.23 : x
  2. Step 2: Convert to fraction form
    58,552.81/80,802.92 = 31,695.23/x
  3. Step 3: Cross multiply
    58,552.81x = 80,802.92 × 31,695.23
  4. Step 4: Simplify right side
    58,552.81x = 2,561,067,415.32
  5. Step 5: Solve for x
    x = 2,561,067,415.32/58,552.81
  6. Step 6: Final answer
    x = 43,739.45

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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.