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Finding the Fourth Proportional to 10,527.63, 14,528.12 and 5,811.94

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Solution

The fourth proportional to 10,527.63, 14,528.12 and 5,811.94 is: 8,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.63 : 14,528.12 = 5,811.94 : x
  2. Step 2: Convert to fraction form
    10,527.63/14,528.12 = 5,811.94/x
  3. Step 3: Cross multiply
    10,527.63x = 14,528.12 × 5,811.94
  4. Step 4: Simplify right side
    10,527.63x = 84,436,561.75
  5. Step 5: Solve for x
    x = 84,436,561.75/10,527.63
  6. Step 6: Final answer
    x = 8,020.47

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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.