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Finding the Fourth Proportional to 3,048.72, 4,565.79 and 2,895.63

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Solution

The fourth proportional to 3,048.72, 4,565.79 and 2,895.63 is: 4,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.72 : 4,565.79 = 2,895.63 : x
  2. Step 2: Convert to fraction form
    3,048.72/4,565.79 = 2,895.63/x
  3. Step 3: Cross multiply
    3,048.72x = 4,565.79 × 2,895.63
  4. Step 4: Simplify right side
    3,048.72x = 13,220,838.50
  5. Step 5: Solve for x
    x = 13,220,838.50/3,048.72
  6. Step 6: Final answer
    x = 4,336.52

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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.