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Finding the Fourth Proportional to 6,357.18, 8,772.75 and 3,562.86

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Solution

The fourth proportional to 6,357.18, 8,772.75 and 3,562.86 is: 4,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357.18 : 8,772.75 = 3,562.86 : x
  2. Step 2: Convert to fraction form
    6,357.18/8,772.75 = 3,562.86/x
  3. Step 3: Cross multiply
    6,357.18x = 8,772.75 × 3,562.86
  4. Step 4: Simplify right side
    6,357.18x = 31,256,080.07
  5. Step 5: Solve for x
    x = 31,256,080.07/6,357.18
  6. Step 6: Final answer
    x = 4,916.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.