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Finding the Fourth Proportional to 30,225.52, 45,340.98 and 9,448.48

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Solution

The fourth proportional to 30,225.52, 45,340.98 and 9,448.48 is: 14,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.52 : 45,340.98 = 9,448.48 : x
  2. Step 2: Convert to fraction form
    30,225.52/45,340.98 = 9,448.48/x
  3. Step 3: Cross multiply
    30,225.52x = 45,340.98 × 9,448.48
  4. Step 4: Simplify right side
    30,225.52x = 428,403,342.71
  5. Step 5: Solve for x
    x = 428,403,342.71/30,225.52
  6. Step 6: Final answer
    x = 14,173.56

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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.