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Finding the Fourth Proportional to 6,117.96, 8,442.51 and 3,465.32

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Solution

The fourth proportional to 6,117.96, 8,442.51 and 3,465.32 is: 4,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.96 : 8,442.51 = 3,465.32 : x
  2. Step 2: Convert to fraction form
    6,117.96/8,442.51 = 3,465.32/x
  3. Step 3: Cross multiply
    6,117.96x = 8,442.51 × 3,465.32
  4. Step 4: Simplify right side
    6,117.96x = 29,255,956.54
  5. Step 5: Solve for x
    x = 29,255,956.54/6,117.96
  6. Step 6: Final answer
    x = 4,781.98

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Half scale
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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.