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Finding the Fourth Proportional to 12,799.46, 19,201.46 and 4,365.50

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Solution

The fourth proportional to 12,799.46, 19,201.46 and 4,365.50 is: 6,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.46 : 19,201.46 = 4,365.50 : x
  2. Step 2: Convert to fraction form
    12,799.46/19,201.46 = 4,365.50/x
  3. Step 3: Cross multiply
    12,799.46x = 19,201.46 × 4,365.50
  4. Step 4: Simplify right side
    12,799.46x = 83,823,973.63
  5. Step 5: Solve for x
    x = 83,823,973.63/12,799.46
  6. Step 6: Final answer
    x = 6,549.02

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1.5x scale

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.