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Finding the Fourth Proportional to 7,060.60, 9,723.90 and 6,907.54

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Solution

The fourth proportional to 7,060.60, 9,723.90 and 6,907.54 is: 9,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.60 : 9,723.90 = 6,907.54 : x
  2. Step 2: Convert to fraction form
    7,060.60/9,723.90 = 6,907.54/x
  3. Step 3: Cross multiply
    7,060.60x = 9,723.90 × 6,907.54
  4. Step 4: Simplify right side
    7,060.60x = 67,168,228.21
  5. Step 5: Solve for x
    x = 67,168,228.21/7,060.60
  6. Step 6: Final answer
    x = 9,513.10

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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.