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Finding the Fourth Proportional to 30,384.53, 45,592.79 and 15,593.43

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Solution

The fourth proportional to 30,384.53, 45,592.79 and 15,593.43 is: 23,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.53 : 45,592.79 = 15,593.43 : x
  2. Step 2: Convert to fraction form
    30,384.53/45,592.79 = 15,593.43/x
  3. Step 3: Cross multiply
    30,384.53x = 45,592.79 × 15,593.43
  4. Step 4: Simplify right side
    30,384.53x = 710,947,901.40
  5. Step 5: Solve for x
    x = 710,947,901.40/30,384.53
  6. Step 6: Final answer
    x = 23,398.35

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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.