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Finding the Fourth Proportional to 7,549.95, 10,411.52 and 6,953.97

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Solution

The fourth proportional to 7,549.95, 10,411.52 and 6,953.97 is: 9,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.95 : 10,411.52 = 6,953.97 : x
  2. Step 2: Convert to fraction form
    7,549.95/10,411.52 = 6,953.97/x
  3. Step 3: Cross multiply
    7,549.95x = 10,411.52 × 6,953.97
  4. Step 4: Simplify right side
    7,549.95x = 72,401,362.96
  5. Step 5: Solve for x
    x = 72,401,362.96/7,549.95
  6. Step 6: Final answer
    x = 9,589.65

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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.