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Finding the Fourth Proportional to 30,351.67, 45,534.27 and 9,294.67

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Solution

The fourth proportional to 30,351.67, 45,534.27 and 9,294.67 is: 13,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.67 : 45,534.27 = 9,294.67 : x
  2. Step 2: Convert to fraction form
    30,351.67/45,534.27 = 9,294.67/x
  3. Step 3: Cross multiply
    30,351.67x = 45,534.27 × 9,294.67
  4. Step 4: Simplify right side
    30,351.67x = 423,226,013.34
  5. Step 5: Solve for x
    x = 423,226,013.34/30,351.67
  6. Step 6: Final answer
    x = 13,944.08

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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.