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Finding the Fourth Proportional to 8,018.78, 11,066.40 and 4,482.26

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Solution

The fourth proportional to 8,018.78, 11,066.40 and 4,482.26 is: 6,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.78 : 11,066.40 = 4,482.26 : x
  2. Step 2: Convert to fraction form
    8,018.78/11,066.40 = 4,482.26/x
  3. Step 3: Cross multiply
    8,018.78x = 11,066.40 × 4,482.26
  4. Step 4: Simplify right side
    8,018.78x = 49,602,482.06
  5. Step 5: Solve for x
    x = 49,602,482.06/8,018.78
  6. Step 6: Final answer
    x = 6,185.79

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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.