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Finding the Fourth Proportional to 19,551.61, 26,981.31 and 10,599.10

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Solution

The fourth proportional to 19,551.61, 26,981.31 and 10,599.10 is: 14,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551.61 : 26,981.31 = 10,599.10 : x
  2. Step 2: Convert to fraction form
    19,551.61/26,981.31 = 10,599.10/x
  3. Step 3: Cross multiply
    19,551.61x = 26,981.31 × 10,599.10
  4. Step 4: Simplify right side
    19,551.61x = 285,977,602.82
  5. Step 5: Solve for x
    x = 285,977,602.82/19,551.61
  6. Step 6: Final answer
    x = 14,626.81

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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.