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Finding the Fourth Proportional to 7,055.41, 9,734.25 and 4,070.86

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Solution

The fourth proportional to 7,055.41, 9,734.25 and 4,070.86 is: 5,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,055.41 : 9,734.25 = 4,070.86 : x
  2. Step 2: Convert to fraction form
    7,055.41/9,734.25 = 4,070.86/x
  3. Step 3: Cross multiply
    7,055.41x = 9,734.25 × 4,070.86
  4. Step 4: Simplify right side
    7,055.41x = 39,626,768.96
  5. Step 5: Solve for x
    x = 39,626,768.96/7,055.41
  6. Step 6: Final answer
    x = 5,616.51

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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.