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Finding the Fourth Proportional to 6,963.63, 9,610.01 and 3,820.02

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Solution

The fourth proportional to 6,963.63, 9,610.01 and 3,820.02 is: 5,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.63 : 9,610.01 = 3,820.02 : x
  2. Step 2: Convert to fraction form
    6,963.63/9,610.01 = 3,820.02/x
  3. Step 3: Cross multiply
    6,963.63x = 9,610.01 × 3,820.02
  4. Step 4: Simplify right side
    6,963.63x = 36,710,430.40
  5. Step 5: Solve for x
    x = 36,710,430.40/6,963.63
  6. Step 6: Final answer
    x = 5,271.74

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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.