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Finding the Fourth Proportional to 7,003.47, 10,484.70 and 6,948.12

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Solution

The fourth proportional to 7,003.47, 10,484.70 and 6,948.12 is: 10,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.47 : 10,484.70 = 6,948.12 : x
  2. Step 2: Convert to fraction form
    7,003.47/10,484.70 = 6,948.12/x
  3. Step 3: Cross multiply
    7,003.47x = 10,484.70 × 6,948.12
  4. Step 4: Simplify right side
    7,003.47x = 72,848,953.76
  5. Step 5: Solve for x
    x = 72,848,953.76/7,003.47
  6. Step 6: Final answer
    x = 10,401.84

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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.