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Finding the Fourth Proportional to 30,341.57, 45,517.57 and 9,281.11

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Solution

The fourth proportional to 30,341.57, 45,517.57 and 9,281.11 is: 13,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341.57 : 45,517.57 = 9,281.11 : x
  2. Step 2: Convert to fraction form
    30,341.57/45,517.57 = 9,281.11/x
  3. Step 3: Cross multiply
    30,341.57x = 45,517.57 × 9,281.11
  4. Step 4: Simplify right side
    30,341.57x = 422,453,323.31
  5. Step 5: Solve for x
    x = 422,453,323.31/30,341.57
  6. Step 6: Final answer
    x = 13,923.25

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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.