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Finding the Fourth Proportional to 16,603.84, 24,916.56 and 6,215.50

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Solution

The fourth proportional to 16,603.84, 24,916.56 and 6,215.50 is: 9,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.84 : 24,916.56 = 6,215.50 : x
  2. Step 2: Convert to fraction form
    16,603.84/24,916.56 = 6,215.50/x
  3. Step 3: Cross multiply
    16,603.84x = 24,916.56 × 6,215.50
  4. Step 4: Simplify right side
    16,603.84x = 154,868,878.68
  5. Step 5: Solve for x
    x = 154,868,878.68/16,603.84
  6. Step 6: Final answer
    x = 9,327.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.