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Finding the Fourth Proportional to 7,055.86, 9,737.04 and 3,869.14

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Solution

The fourth proportional to 7,055.86, 9,737.04 and 3,869.14 is: 5,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.86 : 9,737.04 = 3,869.14 : x
  2. Step 2: Convert to fraction form
    7,055.86/9,737.04 = 3,869.14/x
  3. Step 3: Cross multiply
    7,055.86x = 9,737.04 × 3,869.14
  4. Step 4: Simplify right side
    7,055.86x = 37,673,970.95
  5. Step 5: Solve for x
    x = 37,673,970.95/7,055.86
  6. Step 6: Final answer
    x = 5,339.39

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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.