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Finding the Fourth Proportional to 8,572.14, 11,829.31 and 4,795.32

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Solution

The fourth proportional to 8,572.14, 11,829.31 and 4,795.32 is: 6,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.14 : 11,829.31 = 4,795.32 : x
  2. Step 2: Convert to fraction form
    8,572.14/11,829.31 = 4,795.32/x
  3. Step 3: Cross multiply
    8,572.14x = 11,829.31 × 4,795.32
  4. Step 4: Simplify right side
    8,572.14x = 56,725,326.83
  5. Step 5: Solve for x
    x = 56,725,326.83/8,572.14
  6. Step 6: Final answer
    x = 6,617.41

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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.