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Finding the Fourth Proportional to 58,723, 88,093.68 and 19,271.14

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Solution

The fourth proportional to 58,723, 88,093.68 and 19,271.14 is: 28,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,723 : 88,093.68 = 19,271.14 : x
  2. Step 2: Convert to fraction form
    58,723/88,093.68 = 19,271.14/x
  3. Step 3: Cross multiply
    58,723x = 88,093.68 × 19,271.14
  4. Step 4: Simplify right side
    58,723x = 1,697,665,640.40
  5. Step 5: Solve for x
    x = 1,697,665,640.40/58,723
  6. Step 6: Final answer
    x = 28,909.72

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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.