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Finding the Fourth Proportional to 58,814.76, 88,188.93 and 19,361.28

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Solution

The fourth proportional to 58,814.76, 88,188.93 and 19,361.28 is: 29,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,814.76 : 88,188.93 = 19,361.28 : x
  2. Step 2: Convert to fraction form
    58,814.76/88,188.93 = 19,361.28/x
  3. Step 3: Cross multiply
    58,814.76x = 88,188.93 × 19,361.28
  4. Step 4: Simplify right side
    58,814.76x = 1,707,450,566.63
  5. Step 5: Solve for x
    x = 1,707,450,566.63/58,814.76
  6. Step 6: Final answer
    x = 29,030.99

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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.