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Finding the Fourth Proportional to 60,630.24, 90,948.24 and 19,080.48

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Solution

The fourth proportional to 60,630.24, 90,948.24 and 19,080.48 is: 28,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.24 : 90,948.24 = 19,080.48 : x
  2. Step 2: Convert to fraction form
    60,630.24/90,948.24 = 19,080.48/x
  3. Step 3: Cross multiply
    60,630.24x = 90,948.24 × 19,080.48
  4. Step 4: Simplify right side
    60,630.24x = 1,735,336,074.36
  5. Step 5: Solve for x
    x = 1,735,336,074.36/60,630.24
  6. Step 6: Final answer
    x = 28,621.63

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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.