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Finding the Fourth Proportional to 30,253.52, 45,386.04 and 9,471.44

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Solution

The fourth proportional to 30,253.52, 45,386.04 and 9,471.44 is: 14,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.52 : 45,386.04 = 9,471.44 : x
  2. Step 2: Convert to fraction form
    30,253.52/45,386.04 = 9,471.44/x
  3. Step 3: Cross multiply
    30,253.52x = 45,386.04 × 9,471.44
  4. Step 4: Simplify right side
    30,253.52x = 429,871,154.70
  5. Step 5: Solve for x
    x = 429,871,154.70/30,253.52
  6. Step 6: Final answer
    x = 14,208.96

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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.