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Finding the Fourth Proportional to 30,006.52, 45,010.52 and 10,284.96

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Solution

The fourth proportional to 30,006.52, 45,010.52 and 10,284.96 is: 15,427.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.52 : 45,010.52 = 10,284.96 : x
  2. Step 2: Convert to fraction form
    30,006.52/45,010.52 = 10,284.96/x
  3. Step 3: Cross multiply
    30,006.52x = 45,010.52 × 10,284.96
  4. Step 4: Simplify right side
    30,006.52x = 462,931,397.78
  5. Step 5: Solve for x
    x = 462,931,397.78/30,006.52
  6. Step 6: Final answer
    x = 15,427.69

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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.