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Finding the Fourth Proportional to 7,098.01, 10,646.74 and 1,903.75

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Solution

The fourth proportional to 7,098.01, 10,646.74 and 1,903.75 is: 2,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.01 : 10,646.74 = 1,903.75 : x
  2. Step 2: Convert to fraction form
    7,098.01/10,646.74 = 1,903.75/x
  3. Step 3: Cross multiply
    7,098.01x = 10,646.74 × 1,903.75
  4. Step 4: Simplify right side
    7,098.01x = 20,268,731.28
  5. Step 5: Solve for x
    x = 20,268,731.28/7,098.01
  6. Step 6: Final answer
    x = 2,855.55

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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.