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Finding the Fourth Proportional to 5,054.39, 7,622.02 and 4,985.13

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Solution

The fourth proportional to 5,054.39, 7,622.02 and 4,985.13 is: 7,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.39 : 7,622.02 = 4,985.13 : x
  2. Step 2: Convert to fraction form
    5,054.39/7,622.02 = 4,985.13/x
  3. Step 3: Cross multiply
    5,054.39x = 7,622.02 × 4,985.13
  4. Step 4: Simplify right side
    5,054.39x = 37,996,748.10
  5. Step 5: Solve for x
    x = 37,996,748.10/5,054.39
  6. Step 6: Final answer
    x = 7,517.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.