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Finding the Fourth Proportional to 58,815.76, 81,134.82 and 35,852.71

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Solution

The fourth proportional to 58,815.76, 81,134.82 and 35,852.71 is: 49,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,815.76 : 81,134.82 = 35,852.71 : x
  2. Step 2: Convert to fraction form
    58,815.76/81,134.82 = 35,852.71/x
  3. Step 3: Cross multiply
    58,815.76x = 81,134.82 × 35,852.71
  4. Step 4: Simplify right side
    58,815.76x = 2,908,903,172.36
  5. Step 5: Solve for x
    x = 2,908,903,172.36/58,815.76
  6. Step 6: Final answer
    x = 49,457.89

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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.