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Finding the Fourth Proportional to 7,298.88, 10,948.32 and 2,104.98

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Solution

The fourth proportional to 7,298.88, 10,948.32 and 2,104.98 is: 3,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.88 : 10,948.32 = 2,104.98 : x
  2. Step 2: Convert to fraction form
    7,298.88/10,948.32 = 2,104.98/x
  3. Step 3: Cross multiply
    7,298.88x = 10,948.32 × 2,104.98
  4. Step 4: Simplify right side
    7,298.88x = 23,045,994.63
  5. Step 5: Solve for x
    x = 23,045,994.63/7,298.88
  6. Step 6: Final answer
    x = 3,157.47

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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.