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Finding the Fourth Proportional to 7,098.12, 9,795.60 and 4,445.28

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Solution

The fourth proportional to 7,098.12, 9,795.60 and 4,445.28 is: 6,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.12 : 9,795.60 = 4,445.28 : x
  2. Step 2: Convert to fraction form
    7,098.12/9,795.60 = 4,445.28/x
  3. Step 3: Cross multiply
    7,098.12x = 9,795.60 × 4,445.28
  4. Step 4: Simplify right side
    7,098.12x = 43,544,184.77
  5. Step 5: Solve for x
    x = 43,544,184.77/7,098.12
  6. Step 6: Final answer
    x = 6,134.61

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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.