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Finding the Fourth Proportional to 58,878, 88,295.40 and 19,423.44

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Solution

The fourth proportional to 58,878, 88,295.40 and 19,423.44 is: 29,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,878 : 88,295.40 = 19,423.44 : x
  2. Step 2: Convert to fraction form
    58,878/88,295.40 = 19,423.44/x
  3. Step 3: Cross multiply
    58,878x = 88,295.40 × 19,423.44
  4. Step 4: Simplify right side
    58,878x = 1,715,000,404.18
  5. Step 5: Solve for x
    x = 1,715,000,404.18/58,878
  6. Step 6: Final answer
    x = 29,128.03

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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.