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Finding the Fourth Proportional to 34,133.60, 51,207.60 and 10,762.40

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Solution

The fourth proportional to 34,133.60, 51,207.60 and 10,762.40 is: 16,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,133.60 : 51,207.60 = 10,762.40 : x
  2. Step 2: Convert to fraction form
    34,133.60/51,207.60 = 10,762.40/x
  3. Step 3: Cross multiply
    34,133.60x = 51,207.60 × 10,762.40
  4. Step 4: Simplify right side
    34,133.60x = 551,116,674.24
  5. Step 5: Solve for x
    x = 551,116,674.24/34,133.60
  6. Step 6: Final answer
    x = 16,145.87

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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.