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Finding the Fourth Proportional to 6,356.78, 8,772.33 and 3,562.28

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Solution

The fourth proportional to 6,356.78, 8,772.33 and 3,562.28 is: 4,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.78 : 8,772.33 = 3,562.28 : x
  2. Step 2: Convert to fraction form
    6,356.78/8,772.33 = 3,562.28/x
  3. Step 3: Cross multiply
    6,356.78x = 8,772.33 × 3,562.28
  4. Step 4: Simplify right side
    6,356.78x = 31,249,495.71
  5. Step 5: Solve for x
    x = 31,249,495.71/6,356.78
  6. Step 6: Final answer
    x = 4,915.93

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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.