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Finding the Fourth Proportional to 5,002.74, 7,495.47 and 4,821.30

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Solution

The fourth proportional to 5,002.74, 7,495.47 and 4,821.30 is: 7,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.74 : 7,495.47 = 4,821.30 : x
  2. Step 2: Convert to fraction form
    5,002.74/7,495.47 = 4,821.30/x
  3. Step 3: Cross multiply
    5,002.74x = 7,495.47 × 4,821.30
  4. Step 4: Simplify right side
    5,002.74x = 36,137,909.51
  5. Step 5: Solve for x
    x = 36,137,909.51/5,002.74
  6. Step 6: Final answer
    x = 7,223.62

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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.