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Finding the Fourth Proportional to 58,723.88, 88,095 and 19,272

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Solution

The fourth proportional to 58,723.88, 88,095 and 19,272 is: 28,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,723.88 : 88,095 = 19,272 : x
  2. Step 2: Convert to fraction form
    58,723.88/88,095 = 19,272/x
  3. Step 3: Cross multiply
    58,723.88x = 88,095 × 19,272
  4. Step 4: Simplify right side
    58,723.88x = 1,697,766,840
  5. Step 5: Solve for x
    x = 1,697,766,840/58,723.88
  6. Step 6: Final answer
    x = 28,911.01

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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.