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Finding the Fourth Proportional to 58,968.62, 88,436.50 and 19,528.81

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Solution

The fourth proportional to 58,968.62, 88,436.50 and 19,528.81 is: 29,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,968.62 : 88,436.50 = 19,528.81 : x
  2. Step 2: Convert to fraction form
    58,968.62/88,436.50 = 19,528.81/x
  3. Step 3: Cross multiply
    58,968.62x = 88,436.50 × 19,528.81
  4. Step 4: Simplify right side
    58,968.62x = 1,727,059,605.57
  5. Step 5: Solve for x
    x = 1,727,059,605.57/58,968.62
  6. Step 6: Final answer
    x = 29,287.77

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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.