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Finding the Fourth Proportional to 7,258.68, 10,068.21 and 7,066.58

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Solution

The fourth proportional to 7,258.68, 10,068.21 and 7,066.58 is: 9,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258.68 : 10,068.21 = 7,066.58 : x
  2. Step 2: Convert to fraction form
    7,258.68/10,068.21 = 7,066.58/x
  3. Step 3: Cross multiply
    7,258.68x = 10,068.21 × 7,066.58
  4. Step 4: Simplify right side
    7,258.68x = 71,147,761.08
  5. Step 5: Solve for x
    x = 71,147,761.08/7,258.68
  6. Step 6: Final answer
    x = 9,801.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.