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Finding the Fourth Proportional to 6,551.79, 9,041.57 and 3,719.08

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Solution

The fourth proportional to 6,551.79, 9,041.57 and 3,719.08 is: 5,132.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.79 : 9,041.57 = 3,719.08 : x
  2. Step 2: Convert to fraction form
    6,551.79/9,041.57 = 3,719.08/x
  3. Step 3: Cross multiply
    6,551.79x = 9,041.57 × 3,719.08
  4. Step 4: Simplify right side
    6,551.79x = 33,626,322.16
  5. Step 5: Solve for x
    x = 33,626,322.16/6,551.79
  6. Step 6: Final answer
    x = 5,132.39

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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.