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Finding the Fourth Proportional to 3,095.88, 4,643.91 and 904.38

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Solution

The fourth proportional to 3,095.88, 4,643.91 and 904.38 is: 1,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.88 : 4,643.91 = 904.38 : x
  2. Step 2: Convert to fraction form
    3,095.88/4,643.91 = 904.38/x
  3. Step 3: Cross multiply
    3,095.88x = 4,643.91 × 904.38
  4. Step 4: Simplify right side
    3,095.88x = 4,199,859.33
  5. Step 5: Solve for x
    x = 4,199,859.33/3,095.88
  6. Step 6: Final answer
    x = 1,356.60

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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.