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Finding the Fourth Proportional to 10,445.74, 15,670.08 and 3,050.74

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Solution

The fourth proportional to 10,445.74, 15,670.08 and 3,050.74 is: 4,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.74 : 15,670.08 = 3,050.74 : x
  2. Step 2: Convert to fraction form
    10,445.74/15,670.08 = 3,050.74/x
  3. Step 3: Cross multiply
    10,445.74x = 15,670.08 × 3,050.74
  4. Step 4: Simplify right side
    10,445.74x = 47,805,379.03
  5. Step 5: Solve for x
    x = 47,805,379.03/10,445.74
  6. Step 6: Final answer
    x = 4,576.54

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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.