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Finding the Fourth Proportional to 58,708.64, 81,028.32 and 34,848.50

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Solution

The fourth proportional to 58,708.64, 81,028.32 and 34,848.50 is: 48,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.64 : 81,028.32 = 34,848.50 : x
  2. Step 2: Convert to fraction form
    58,708.64/81,028.32 = 34,848.50/x
  3. Step 3: Cross multiply
    58,708.64x = 81,028.32 × 34,848.50
  4. Step 4: Simplify right side
    58,708.64x = 2,823,715,409.52
  5. Step 5: Solve for x
    x = 2,823,715,409.52/58,708.64
  6. Step 6: Final answer
    x = 48,097.10

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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.