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Finding the Fourth Proportional to 30,073.52, 45,117.97 and 9,013.50

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Solution

The fourth proportional to 30,073.52, 45,117.97 and 9,013.50 is: 13,522.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,073.52 : 45,117.97 = 9,013.50 : x
  2. Step 2: Convert to fraction form
    30,073.52/45,117.97 = 9,013.50/x
  3. Step 3: Cross multiply
    30,073.52x = 45,117.97 × 9,013.50
  4. Step 4: Simplify right side
    30,073.52x = 406,670,800.06
  5. Step 5: Solve for x
    x = 406,670,800.06/30,073.52
  6. Step 6: Final answer
    x = 13,522.55

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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.