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Finding the Fourth Proportional to 30,349.62, 45,524.45 and 9,574.74

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Solution

The fourth proportional to 30,349.62, 45,524.45 and 9,574.74 is: 14,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.62 : 45,524.45 = 9,574.74 : x
  2. Step 2: Convert to fraction form
    30,349.62/45,524.45 = 9,574.74/x
  3. Step 3: Cross multiply
    30,349.62x = 45,524.45 × 9,574.74
  4. Step 4: Simplify right side
    30,349.62x = 435,884,772.39
  5. Step 5: Solve for x
    x = 435,884,772.39/30,349.62
  6. Step 6: Final answer
    x = 14,362.12

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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.