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Finding the Fourth Proportional to 9,920.53, 14,880.73 and 2,524.93

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Solution

The fourth proportional to 9,920.53, 14,880.73 and 2,524.93 is: 3,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.53 : 14,880.73 = 2,524.93 : x
  2. Step 2: Convert to fraction form
    9,920.53/14,880.73 = 2,524.93/x
  3. Step 3: Cross multiply
    9,920.53x = 14,880.73 × 2,524.93
  4. Step 4: Simplify right side
    9,920.53x = 37,572,801.60
  5. Step 5: Solve for x
    x = 37,572,801.60/9,920.53
  6. Step 6: Final answer
    x = 3,787.38

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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.