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Finding the Fourth Proportional to 5,048.72, 6,970.62 and 4,515.94

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Solution

The fourth proportional to 5,048.72, 6,970.62 and 4,515.94 is: 6,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.72 : 6,970.62 = 4,515.94 : x
  2. Step 2: Convert to fraction form
    5,048.72/6,970.62 = 4,515.94/x
  3. Step 3: Cross multiply
    5,048.72x = 6,970.62 × 4,515.94
  4. Step 4: Simplify right side
    5,048.72x = 31,478,901.68
  5. Step 5: Solve for x
    x = 31,478,901.68/5,048.72
  6. Step 6: Final answer
    x = 6,235.03

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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.