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Finding the Fourth Proportional to 6,941.10, 9,573.31 and 6,145.28

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Solution

The fourth proportional to 6,941.10, 9,573.31 and 6,145.28 is: 8,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.10 : 9,573.31 = 6,145.28 : x
  2. Step 2: Convert to fraction form
    6,941.10/9,573.31 = 6,145.28/x
  3. Step 3: Cross multiply
    6,941.10x = 9,573.31 × 6,145.28
  4. Step 4: Simplify right side
    6,941.10x = 58,830,670.48
  5. Step 5: Solve for x
    x = 58,830,670.48/6,941.10
  6. Step 6: Final answer
    x = 8,475.70

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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.