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Finding the Fourth Proportional to 12,592.90, 18,893.45 and 6,019.59

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Solution

The fourth proportional to 12,592.90, 18,893.45 and 6,019.59 is: 9,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592.90 : 18,893.45 = 6,019.59 : x
  2. Step 2: Convert to fraction form
    12,592.90/18,893.45 = 6,019.59/x
  3. Step 3: Cross multiply
    12,592.90x = 18,893.45 × 6,019.59
  4. Step 4: Simplify right side
    12,592.90x = 113,730,908.58
  5. Step 5: Solve for x
    x = 113,730,908.58/12,592.90
  6. Step 6: Final answer
    x = 9,031.35

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1.5x scale

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.