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Finding the Fourth Proportional to 6,551.78, 9,041.18 and 3,567.63

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Solution

The fourth proportional to 6,551.78, 9,041.18 and 3,567.63 is: 4,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.78 : 9,041.18 = 3,567.63 : x
  2. Step 2: Convert to fraction form
    6,551.78/9,041.18 = 3,567.63/x
  3. Step 3: Cross multiply
    6,551.78x = 9,041.18 × 3,567.63
  4. Step 4: Simplify right side
    6,551.78x = 32,255,567.17
  5. Step 5: Solve for x
    x = 32,255,567.17/6,551.78
  6. Step 6: Final answer
    x = 4,923.17

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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.