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Finding the Fourth Proportional to 5,286.03, 7,287.81 and 4,547.92

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Solution

The fourth proportional to 5,286.03, 7,287.81 and 4,547.92 is: 6,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.03 : 7,287.81 = 4,547.92 : x
  2. Step 2: Convert to fraction form
    5,286.03/7,287.81 = 4,547.92/x
  3. Step 3: Cross multiply
    5,286.03x = 7,287.81 × 4,547.92
  4. Step 4: Simplify right side
    5,286.03x = 33,144,376.86
  5. Step 5: Solve for x
    x = 33,144,376.86/5,286.03
  6. Step 6: Final answer
    x = 6,270.18

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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.