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Finding the Fourth Proportional to 7,203.31, 9,944.48 and 4,977.16

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Solution

The fourth proportional to 7,203.31, 9,944.48 and 4,977.16 is: 6,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.31 : 9,944.48 = 4,977.16 : x
  2. Step 2: Convert to fraction form
    7,203.31/9,944.48 = 4,977.16/x
  3. Step 3: Cross multiply
    7,203.31x = 9,944.48 × 4,977.16
  4. Step 4: Simplify right side
    7,203.31x = 49,495,255.66
  5. Step 5: Solve for x
    x = 49,495,255.66/7,203.31
  6. Step 6: Final answer
    x = 6,871.18

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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.