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Finding the Fourth Proportional to 6,018.64, 9,068.12 and 5,434.32

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Solution

The fourth proportional to 6,018.64, 9,068.12 and 5,434.32 is: 8,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,018.64 : 9,068.12 = 5,434.32 : x
  2. Step 2: Convert to fraction form
    6,018.64/9,068.12 = 5,434.32/x
  3. Step 3: Cross multiply
    6,018.64x = 9,068.12 × 5,434.32
  4. Step 4: Simplify right side
    6,018.64x = 49,279,065.88
  5. Step 5: Solve for x
    x = 49,279,065.88/6,018.64
  6. Step 6: Final answer
    x = 8,187.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.