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Finding the Fourth Proportional to 34,841.61, 48,081.60 and 18,926.10

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Solution

The fourth proportional to 34,841.61, 48,081.60 and 18,926.10 is: 26,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,841.61 : 48,081.60 = 18,926.10 : x
  2. Step 2: Convert to fraction form
    34,841.61/48,081.60 = 18,926.10/x
  3. Step 3: Cross multiply
    34,841.61x = 48,081.60 × 18,926.10
  4. Step 4: Simplify right side
    34,841.61x = 909,997,169.76
  5. Step 5: Solve for x
    x = 909,997,169.76/34,841.61
  6. Step 6: Final answer
    x = 26,118.11

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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.