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Finding the Fourth Proportional to 51,507.88, 77,252.95 and 15,483.79

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Solution

The fourth proportional to 51,507.88, 77,252.95 and 15,483.79 is: 23,223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.88 : 77,252.95 = 15,483.79 : x
  2. Step 2: Convert to fraction form
    51,507.88/77,252.95 = 15,483.79/x
  3. Step 3: Cross multiply
    51,507.88x = 77,252.95 × 15,483.79
  4. Step 4: Simplify right side
    51,507.88x = 1,196,168,570.60
  5. Step 5: Solve for x
    x = 1,196,168,570.60/51,507.88
  6. Step 6: Final answer
    x = 23,223.02

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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.