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Finding the Fourth Proportional to 58,722.50, 88,092.93 and 19,270.64

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Solution

The fourth proportional to 58,722.50, 88,092.93 and 19,270.64 is: 28,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.50 : 88,092.93 = 19,270.64 : x
  2. Step 2: Convert to fraction form
    58,722.50/88,092.93 = 19,270.64/x
  3. Step 3: Cross multiply
    58,722.50x = 88,092.93 × 19,270.64
  4. Step 4: Simplify right side
    58,722.50x = 1,697,606,700.11
  5. Step 5: Solve for x
    x = 1,697,606,700.11/58,722.50
  6. Step 6: Final answer
    x = 28,908.97

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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.