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Finding the Fourth Proportional to 58,875.80, 81,246.84 and 33,384.50

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Solution

The fourth proportional to 58,875.80, 81,246.84 and 33,384.50 is: 46,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,875.80 : 81,246.84 = 33,384.50 : x
  2. Step 2: Convert to fraction form
    58,875.80/81,246.84 = 33,384.50/x
  3. Step 3: Cross multiply
    58,875.80x = 81,246.84 × 33,384.50
  4. Step 4: Simplify right side
    58,875.80x = 2,712,385,129.98
  5. Step 5: Solve for x
    x = 2,712,385,129.98/58,875.80
  6. Step 6: Final answer
    x = 46,069.61

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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.