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Finding the Fourth Proportional to 37,803, 56,706.90 and 11,509.68

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Solution

The fourth proportional to 37,803, 56,706.90 and 11,509.68 is: 17,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803 : 56,706.90 = 11,509.68 : x
  2. Step 2: Convert to fraction form
    37,803/56,706.90 = 11,509.68/x
  3. Step 3: Cross multiply
    37,803x = 56,706.90 × 11,509.68
  4. Step 4: Simplify right side
    37,803x = 652,678,272.79
  5. Step 5: Solve for x
    x = 652,678,272.79/37,803
  6. Step 6: Final answer
    x = 17,265.25

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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.