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Finding the Fourth Proportional to 6,628.89, 9,892.86 and 6,360.93

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Solution

The fourth proportional to 6,628.89, 9,892.86 and 6,360.93 is: 9,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.89 : 9,892.86 = 6,360.93 : x
  2. Step 2: Convert to fraction form
    6,628.89/9,892.86 = 6,360.93/x
  3. Step 3: Cross multiply
    6,628.89x = 9,892.86 × 6,360.93
  4. Step 4: Simplify right side
    6,628.89x = 62,927,789.96
  5. Step 5: Solve for x
    x = 62,927,789.96/6,628.89
  6. Step 6: Final answer
    x = 9,492.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.