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Finding the Fourth Proportional to 30,411.65, 45,605.03 and 9,346.59

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Solution

The fourth proportional to 30,411.65, 45,605.03 and 9,346.59 is: 14,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.65 : 45,605.03 = 9,346.59 : x
  2. Step 2: Convert to fraction form
    30,411.65/45,605.03 = 9,346.59/x
  3. Step 3: Cross multiply
    30,411.65x = 45,605.03 × 9,346.59
  4. Step 4: Simplify right side
    30,411.65x = 426,251,470.61
  5. Step 5: Solve for x
    x = 426,251,470.61/30,411.65
  6. Step 6: Final answer
    x = 14,016.06

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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.