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Finding the Fourth Proportional to 7,030.94, 9,682.88 and 6,877.85

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Solution

The fourth proportional to 7,030.94, 9,682.88 and 6,877.85 is: 9,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.94 : 9,682.88 = 6,877.85 : x
  2. Step 2: Convert to fraction form
    7,030.94/9,682.88 = 6,877.85/x
  3. Step 3: Cross multiply
    7,030.94x = 9,682.88 × 6,877.85
  4. Step 4: Simplify right side
    7,030.94x = 66,597,313.40
  5. Step 5: Solve for x
    x = 66,597,313.40/7,030.94
  6. Step 6: Final answer
    x = 9,472.04

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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.