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Finding the Fourth Proportional to 5,335.76, 7,359.64 and 4,895.12

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Solution

The fourth proportional to 5,335.76, 7,359.64 and 4,895.12 is: 6,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.76 : 7,359.64 = 4,895.12 : x
  2. Step 2: Convert to fraction form
    5,335.76/7,359.64 = 4,895.12/x
  3. Step 3: Cross multiply
    5,335.76x = 7,359.64 × 4,895.12
  4. Step 4: Simplify right side
    5,335.76x = 36,026,320.96
  5. Step 5: Solve for x
    x = 36,026,320.96/5,335.76
  6. Step 6: Final answer
    x = 6,751.86

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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.