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Finding the Fourth Proportional to 4,894.90, 6,751.98 and 2,904.12

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Solution

The fourth proportional to 4,894.90, 6,751.98 and 2,904.12 is: 4,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.90 : 6,751.98 = 2,904.12 : x
  2. Step 2: Convert to fraction form
    4,894.90/6,751.98 = 2,904.12/x
  3. Step 3: Cross multiply
    4,894.90x = 6,751.98 × 2,904.12
  4. Step 4: Simplify right side
    4,894.90x = 19,608,560.16
  5. Step 5: Solve for x
    x = 19,608,560.16/4,894.90
  6. Step 6: Final answer
    x = 4,005.92

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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.