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Finding the Fourth Proportional to 19,297, 26,630.04 and 10,913.68

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Solution

The fourth proportional to 19,297, 26,630.04 and 10,913.68 is: 15,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297 : 26,630.04 = 10,913.68 : x
  2. Step 2: Convert to fraction form
    19,297/26,630.04 = 10,913.68/x
  3. Step 3: Cross multiply
    19,297x = 26,630.04 × 10,913.68
  4. Step 4: Simplify right side
    19,297x = 290,631,734.95
  5. Step 5: Solve for x
    x = 290,631,734.95/19,297
  6. Step 6: Final answer
    x = 15,060.98

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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.