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Finding the Fourth Proportional to 8,527.68, 12,795.23 and 2,985.01

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Solution

The fourth proportional to 8,527.68, 12,795.23 and 2,985.01 is: 4,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.68 : 12,795.23 = 2,985.01 : x
  2. Step 2: Convert to fraction form
    8,527.68/12,795.23 = 2,985.01/x
  3. Step 3: Cross multiply
    8,527.68x = 12,795.23 × 2,985.01
  4. Step 4: Simplify right side
    8,527.68x = 38,193,864.98
  5. Step 5: Solve for x
    x = 38,193,864.98/8,527.68
  6. Step 6: Final answer
    x = 4,478.81

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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.