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Finding the Fourth Proportional to 6,465.51, 9,697.11 and 4,118.55

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Solution

The fourth proportional to 6,465.51, 9,697.11 and 4,118.55 is: 6,177.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.51 : 9,697.11 = 4,118.55 : x
  2. Step 2: Convert to fraction form
    6,465.51/9,697.11 = 4,118.55/x
  3. Step 3: Cross multiply
    6,465.51x = 9,697.11 × 4,118.55
  4. Step 4: Simplify right side
    6,465.51x = 39,938,032.39
  5. Step 5: Solve for x
    x = 39,938,032.39/6,465.51
  6. Step 6: Final answer
    x = 6,177.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.