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Finding the Fourth Proportional to 7,641.64, 11,410.72 and 6,063.93

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Solution

The fourth proportional to 7,641.64, 11,410.72 and 6,063.93 is: 9,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.64 : 11,410.72 = 6,063.93 : x
  2. Step 2: Convert to fraction form
    7,641.64/11,410.72 = 6,063.93/x
  3. Step 3: Cross multiply
    7,641.64x = 11,410.72 × 6,063.93
  4. Step 4: Simplify right side
    7,641.64x = 69,193,807.33
  5. Step 5: Solve for x
    x = 69,193,807.33/7,641.64
  6. Step 6: Final answer
    x = 9,054.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.