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Finding the Fourth Proportional to 30,528.47, 45,799.28 and 9,468.09

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Solution

The fourth proportional to 30,528.47, 45,799.28 and 9,468.09 is: 14,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.47 : 45,799.28 = 9,468.09 : x
  2. Step 2: Convert to fraction form
    30,528.47/45,799.28 = 9,468.09/x
  3. Step 3: Cross multiply
    30,528.47x = 45,799.28 × 9,468.09
  4. Step 4: Simplify right side
    30,528.47x = 433,631,475.98
  5. Step 5: Solve for x
    x = 433,631,475.98/30,528.47
  6. Step 6: Final answer
    x = 14,204.17

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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.