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Finding the Fourth Proportional to 10,641.78, 15,946.11 and 4,064.38

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Solution

The fourth proportional to 10,641.78, 15,946.11 and 4,064.38 is: 6,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.78 : 15,946.11 = 4,064.38 : x
  2. Step 2: Convert to fraction form
    10,641.78/15,946.11 = 4,064.38/x
  3. Step 3: Cross multiply
    10,641.78x = 15,946.11 × 4,064.38
  4. Step 4: Simplify right side
    10,641.78x = 64,811,050.56
  5. Step 5: Solve for x
    x = 64,811,050.56/10,641.78
  6. Step 6: Final answer
    x = 6,090.25

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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.