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Finding the Fourth Proportional to 3,437.08, 4,743.60 and 1,945.08

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Solution

The fourth proportional to 3,437.08, 4,743.60 and 1,945.08 is: 2,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.08 : 4,743.60 = 1,945.08 : x
  2. Step 2: Convert to fraction form
    3,437.08/4,743.60 = 1,945.08/x
  3. Step 3: Cross multiply
    3,437.08x = 4,743.60 × 1,945.08
  4. Step 4: Simplify right side
    3,437.08x = 9,226,681.49
  5. Step 5: Solve for x
    x = 9,226,681.49/3,437.08
  6. Step 6: Final answer
    x = 2,684.45

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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.