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Finding the Fourth Proportional to 3,095.54, 4,643.50 and 904.42

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Solution

The fourth proportional to 3,095.54, 4,643.50 and 904.42 is: 1,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.54 : 4,643.50 = 904.42 : x
  2. Step 2: Convert to fraction form
    3,095.54/4,643.50 = 904.42/x
  3. Step 3: Cross multiply
    3,095.54x = 4,643.50 × 904.42
  4. Step 4: Simplify right side
    3,095.54x = 4,199,674.27
  5. Step 5: Solve for x
    x = 4,199,674.27/3,095.54
  6. Step 6: Final answer
    x = 1,356.69

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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.