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Finding the Fourth Proportional to 10,366.52, 15,549.69 and 2,970.99

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Solution

The fourth proportional to 10,366.52, 15,549.69 and 2,970.99 is: 4,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.52 : 15,549.69 = 2,970.99 : x
  2. Step 2: Convert to fraction form
    10,366.52/15,549.69 = 2,970.99/x
  3. Step 3: Cross multiply
    10,366.52x = 15,549.69 × 2,970.99
  4. Step 4: Simplify right side
    10,366.52x = 46,197,973.49
  5. Step 5: Solve for x
    x = 46,197,973.49/10,366.52
  6. Step 6: Final answer
    x = 4,456.46

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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.