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Finding the Fourth Proportional to 5,256.70, 7,254.54 and 3,018.58

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Solution

The fourth proportional to 5,256.70, 7,254.54 and 3,018.58 is: 4,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.70 : 7,254.54 = 3,018.58 : x
  2. Step 2: Convert to fraction form
    5,256.70/7,254.54 = 3,018.58/x
  3. Step 3: Cross multiply
    5,256.70x = 7,254.54 × 3,018.58
  4. Step 4: Simplify right side
    5,256.70x = 21,898,409.35
  5. Step 5: Solve for x
    x = 21,898,409.35/5,256.70
  6. Step 6: Final answer
    x = 4,165.81

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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.