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Finding the Fourth Proportional to 60,048.88, 90,092.76 and 28,880.08

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Solution

The fourth proportional to 60,048.88, 90,092.76 and 28,880.08 is: 43,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,048.88 : 90,092.76 = 28,880.08 : x
  2. Step 2: Convert to fraction form
    60,048.88/90,092.76 = 28,880.08/x
  3. Step 3: Cross multiply
    60,048.88x = 90,092.76 × 28,880.08
  4. Step 4: Simplify right side
    60,048.88x = 2,601,886,116.22
  5. Step 5: Solve for x
    x = 2,601,886,116.22/60,048.88
  6. Step 6: Final answer
    x = 43,329.47

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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.