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Finding the Fourth Proportional to 7,002.03, 9,663.05 and 4,018.47

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Solution

The fourth proportional to 7,002.03, 9,663.05 and 4,018.47 is: 5,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.03 : 9,663.05 = 4,018.47 : x
  2. Step 2: Convert to fraction form
    7,002.03/9,663.05 = 4,018.47/x
  3. Step 3: Cross multiply
    7,002.03x = 9,663.05 × 4,018.47
  4. Step 4: Simplify right side
    7,002.03x = 38,830,676.53
  5. Step 5: Solve for x
    x = 38,830,676.53/7,002.03
  6. Step 6: Final answer
    x = 5,545.63

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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.