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Finding the Fourth Proportional to 58,704.30, 88,018.20 and 38,653.14

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Solution

The fourth proportional to 58,704.30, 88,018.20 and 38,653.14 is: 57,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,704.30 : 88,018.20 = 38,653.14 : x
  2. Step 2: Convert to fraction form
    58,704.30/88,018.20 = 38,653.14/x
  3. Step 3: Cross multiply
    58,704.30x = 88,018.20 × 38,653.14
  4. Step 4: Simplify right side
    58,704.30x = 3,402,179,807.15
  5. Step 5: Solve for x
    x = 3,402,179,807.15/58,704.30
  6. Step 6: Final answer
    x = 57,954.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.