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Finding the Fourth Proportional to 30,246.54, 45,379.03 and 15,465.84

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Solution

The fourth proportional to 30,246.54, 45,379.03 and 15,465.84 is: 23,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.54 : 45,379.03 = 15,465.84 : x
  2. Step 2: Convert to fraction form
    30,246.54/45,379.03 = 15,465.84/x
  3. Step 3: Cross multiply
    30,246.54x = 45,379.03 × 15,465.84
  4. Step 4: Simplify right side
    30,246.54x = 701,824,513.11
  5. Step 5: Solve for x
    x = 701,824,513.11/30,246.54
  6. Step 6: Final answer
    x = 23,203.47

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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.