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Finding the Fourth Proportional to 10,576.90, 15,864.90 and 4,334.86

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Solution

The fourth proportional to 10,576.90, 15,864.90 and 4,334.86 is: 6,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.90 : 15,864.90 = 4,334.86 : x
  2. Step 2: Convert to fraction form
    10,576.90/15,864.90 = 4,334.86/x
  3. Step 3: Cross multiply
    10,576.90x = 15,864.90 × 4,334.86
  4. Step 4: Simplify right side
    10,576.90x = 68,772,120.41
  5. Step 5: Solve for x
    x = 68,772,120.41/10,576.90
  6. Step 6: Final answer
    x = 6,502.11

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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.