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Finding the Fourth Proportional to 6,537.18, 9,015.18 and 5,042.76

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Solution

The fourth proportional to 6,537.18, 9,015.18 and 5,042.76 is: 6,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,537.18 : 9,015.18 = 5,042.76 : x
  2. Step 2: Convert to fraction form
    6,537.18/9,015.18 = 5,042.76/x
  3. Step 3: Cross multiply
    6,537.18x = 9,015.18 × 5,042.76
  4. Step 4: Simplify right side
    6,537.18x = 45,461,389.10
  5. Step 5: Solve for x
    x = 45,461,389.10/6,537.18
  6. Step 6: Final answer
    x = 6,954.28

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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.