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Finding the Fourth Proportional to 9,892.50, 13,651.65 and 5,476.50

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Solution

The fourth proportional to 9,892.50, 13,651.65 and 5,476.50 is: 7,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.50 : 13,651.65 = 5,476.50 : x
  2. Step 2: Convert to fraction form
    9,892.50/13,651.65 = 5,476.50/x
  3. Step 3: Cross multiply
    9,892.50x = 13,651.65 × 5,476.50
  4. Step 4: Simplify right side
    9,892.50x = 74,763,261.23
  5. Step 5: Solve for x
    x = 74,763,261.23/9,892.50
  6. Step 6: Final answer
    x = 7,557.57

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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.