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Finding the Fourth Proportional to 19,551.80, 26,981.62 and 10,599.44

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Solution

The fourth proportional to 19,551.80, 26,981.62 and 10,599.44 is: 14,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.80 : 26,981.62 = 10,599.44 : x
  2. Step 2: Convert to fraction form
    19,551.80/26,981.62 = 10,599.44/x
  3. Step 3: Cross multiply
    19,551.80x = 26,981.62 × 10,599.44
  4. Step 4: Simplify right side
    19,551.80x = 285,989,941.84
  5. Step 5: Solve for x
    x = 285,989,941.84/19,551.80
  6. Step 6: Final answer
    x = 14,627.30

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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.