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Finding the Fourth Proportional to 58,810.71, 81,159.11 and 31,953.44

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Solution

The fourth proportional to 58,810.71, 81,159.11 and 31,953.44 is: 44,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,810.71 : 81,159.11 = 31,953.44 : x
  2. Step 2: Convert to fraction form
    58,810.71/81,159.11 = 31,953.44/x
  3. Step 3: Cross multiply
    58,810.71x = 81,159.11 × 31,953.44
  4. Step 4: Simplify right side
    58,810.71x = 2,593,312,638.01
  5. Step 5: Solve for x
    x = 2,593,312,638.01/58,810.71
  6. Step 6: Final answer
    x = 44,095.93

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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.