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Finding the Fourth Proportional to 26,045.58, 39,070.15 and 12,894.42

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Solution

The fourth proportional to 26,045.58, 39,070.15 and 12,894.42 is: 19,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,045.58 : 39,070.15 = 12,894.42 : x
  2. Step 2: Convert to fraction form
    26,045.58/39,070.15 = 12,894.42/x
  3. Step 3: Cross multiply
    26,045.58x = 39,070.15 × 12,894.42
  4. Step 4: Simplify right side
    26,045.58x = 503,787,037.84
  5. Step 5: Solve for x
    x = 503,787,037.84/26,045.58
  6. Step 6: Final answer
    x = 19,342.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.