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Finding the Fourth Proportional to 9,762.48, 14,644.71 and 2,742.53

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Solution

The fourth proportional to 9,762.48, 14,644.71 and 2,742.53 is: 4,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,762.48 : 14,644.71 = 2,742.53 : x
  2. Step 2: Convert to fraction form
    9,762.48/14,644.71 = 2,742.53/x
  3. Step 3: Cross multiply
    9,762.48x = 14,644.71 × 2,742.53
  4. Step 4: Simplify right side
    9,762.48x = 40,163,483.29
  5. Step 5: Solve for x
    x = 40,163,483.29/9,762.48
  6. Step 6: Final answer
    x = 4,114.07

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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.