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Finding the Fourth Proportional to 30,332.69, 45,499.15 and 9,272.65

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Solution

The fourth proportional to 30,332.69, 45,499.15 and 9,272.65 is: 13,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.69 : 45,499.15 = 9,272.65 : x
  2. Step 2: Convert to fraction form
    30,332.69/45,499.15 = 9,272.65/x
  3. Step 3: Cross multiply
    30,332.69x = 45,499.15 × 9,272.65
  4. Step 4: Simplify right side
    30,332.69x = 421,897,556.32
  5. Step 5: Solve for x
    x = 421,897,556.32/30,332.69
  6. Step 6: Final answer
    x = 13,909.01

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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.