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Finding the Fourth Proportional to 45,894.88, 63,355.92 and 35,280.80

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Solution

The fourth proportional to 45,894.88, 63,355.92 and 35,280.80 is: 48,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,894.88 : 63,355.92 = 35,280.80 : x
  2. Step 2: Convert to fraction form
    45,894.88/63,355.92 = 35,280.80/x
  3. Step 3: Cross multiply
    45,894.88x = 63,355.92 × 35,280.80
  4. Step 4: Simplify right side
    45,894.88x = 2,235,247,542.34
  5. Step 5: Solve for x
    x = 2,235,247,542.34/45,894.88
  6. Step 6: Final answer
    x = 48,703.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.