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Finding the Fourth Proportional to 34,841.90, 48,081.90 and 18,926.01

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Solution

The fourth proportional to 34,841.90, 48,081.90 and 18,926.01 is: 26,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,841.90 : 48,081.90 = 18,926.01 : x
  2. Step 2: Convert to fraction form
    34,841.90/48,081.90 = 18,926.01/x
  3. Step 3: Cross multiply
    34,841.90x = 48,081.90 × 18,926.01
  4. Step 4: Simplify right side
    34,841.90x = 909,998,520.22
  5. Step 5: Solve for x
    x = 909,998,520.22/34,841.90
  6. Step 6: Final answer
    x = 26,117.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.