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Finding the Fourth Proportional to 7,903.08, 11,858.04 and 6,445.08

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Solution

The fourth proportional to 7,903.08, 11,858.04 and 6,445.08 is: 9,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.08 : 11,858.04 = 6,445.08 : x
  2. Step 2: Convert to fraction form
    7,903.08/11,858.04 = 6,445.08/x
  3. Step 3: Cross multiply
    7,903.08x = 11,858.04 × 6,445.08
  4. Step 4: Simplify right side
    7,903.08x = 76,426,016.44
  5. Step 5: Solve for x
    x = 76,426,016.44/7,903.08
  6. Step 6: Final answer
    x = 9,670.41

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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.