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Finding the Fourth Proportional to 4,698.95, 7,042.95 and 3,775.55

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Solution

The fourth proportional to 4,698.95, 7,042.95 and 3,775.55 is: 5,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,698.95 : 7,042.95 = 3,775.55 : x
  2. Step 2: Convert to fraction form
    4,698.95/7,042.95 = 3,775.55/x
  3. Step 3: Cross multiply
    4,698.95x = 7,042.95 × 3,775.55
  4. Step 4: Simplify right side
    4,698.95x = 26,590,974.66
  5. Step 5: Solve for x
    x = 26,590,974.66/4,698.95
  6. Step 6: Final answer
    x = 5,658.92

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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.