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Finding the Fourth Proportional to 8,018.71, 11,070.60 and 5,037.10

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Solution

The fourth proportional to 8,018.71, 11,070.60 and 5,037.10 is: 6,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.71 : 11,070.60 = 5,037.10 : x
  2. Step 2: Convert to fraction form
    8,018.71/11,070.60 = 5,037.10/x
  3. Step 3: Cross multiply
    8,018.71x = 11,070.60 × 5,037.10
  4. Step 4: Simplify right side
    8,018.71x = 55,763,719.26
  5. Step 5: Solve for x
    x = 55,763,719.26/8,018.71
  6. Step 6: Final answer
    x = 6,954.20

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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.