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Finding the Fourth Proportional to 10,551.87, 14,561.64 and 5,836.32

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Solution

The fourth proportional to 10,551.87, 14,561.64 and 5,836.32 is: 8,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.87 : 14,561.64 = 5,836.32 : x
  2. Step 2: Convert to fraction form
    10,551.87/14,561.64 = 5,836.32/x
  3. Step 3: Cross multiply
    10,551.87x = 14,561.64 × 5,836.32
  4. Step 4: Simplify right side
    10,551.87x = 84,986,390.76
  5. Step 5: Solve for x
    x = 84,986,390.76/10,551.87
  6. Step 6: Final answer
    x = 8,054.15

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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.