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Finding the Fourth Proportional to 9,815.19, 14,703.03 and 4,542.78

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Solution

The fourth proportional to 9,815.19, 14,703.03 and 4,542.78 is: 6,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.19 : 14,703.03 = 4,542.78 : x
  2. Step 2: Convert to fraction form
    9,815.19/14,703.03 = 4,542.78/x
  3. Step 3: Cross multiply
    9,815.19x = 14,703.03 × 4,542.78
  4. Step 4: Simplify right side
    9,815.19x = 66,792,630.62
  5. Step 5: Solve for x
    x = 66,792,630.62/9,815.19
  6. Step 6: Final answer
    x = 6,805.03

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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.