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Finding the Fourth Proportional to 7,191.64, 10,784.28 and 5,001.04

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Solution

The fourth proportional to 7,191.64, 10,784.28 and 5,001.04 is: 7,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.64 : 10,784.28 = 5,001.04 : x
  2. Step 2: Convert to fraction form
    7,191.64/10,784.28 = 5,001.04/x
  3. Step 3: Cross multiply
    7,191.64x = 10,784.28 × 5,001.04
  4. Step 4: Simplify right side
    7,191.64x = 53,932,615.65
  5. Step 5: Solve for x
    x = 53,932,615.65/7,191.64
  6. Step 6: Final answer
    x = 7,499.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.