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Finding the Fourth Proportional to 8,369.64, 11,551.02 and 5,347.52

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Solution

The fourth proportional to 8,369.64, 11,551.02 and 5,347.52 is: 7,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.64 : 11,551.02 = 5,347.52 : x
  2. Step 2: Convert to fraction form
    8,369.64/11,551.02 = 5,347.52/x
  3. Step 3: Cross multiply
    8,369.64x = 11,551.02 × 5,347.52
  4. Step 4: Simplify right side
    8,369.64x = 61,769,312.61
  5. Step 5: Solve for x
    x = 61,769,312.61/8,369.64
  6. Step 6: Final answer
    x = 7,380.16

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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.