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Finding the Fourth Proportional to 30,368.94, 45,550.04 and 8,184.53

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Solution

The fourth proportional to 30,368.94, 45,550.04 and 8,184.53 is: 12,275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.94 : 45,550.04 = 8,184.53 : x
  2. Step 2: Convert to fraction form
    30,368.94/45,550.04 = 8,184.53/x
  3. Step 3: Cross multiply
    30,368.94x = 45,550.04 × 8,184.53
  4. Step 4: Simplify right side
    30,368.94x = 372,805,400.21
  5. Step 5: Solve for x
    x = 372,805,400.21/30,368.94
  6. Step 6: Final answer
    x = 12,275.88

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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.