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Finding the Fourth Proportional to 5,093.60, 7,018.16 and 4,095.20

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Solution

The fourth proportional to 5,093.60, 7,018.16 and 4,095.20 is: 5,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,093.60 : 7,018.16 = 4,095.20 : x
  2. Step 2: Convert to fraction form
    5,093.60/7,018.16 = 4,095.20/x
  3. Step 3: Cross multiply
    5,093.60x = 7,018.16 × 4,095.20
  4. Step 4: Simplify right side
    5,093.60x = 28,740,768.83
  5. Step 5: Solve for x
    x = 28,740,768.83/5,093.60
  6. Step 6: Final answer
    x = 5,642.53

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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.