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Finding the Fourth Proportional to 7,000.84, 9,657.75 and 4,480.93

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Solution

The fourth proportional to 7,000.84, 9,657.75 and 4,480.93 is: 6,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.84 : 9,657.75 = 4,480.93 : x
  2. Step 2: Convert to fraction form
    7,000.84/9,657.75 = 4,480.93/x
  3. Step 3: Cross multiply
    7,000.84x = 9,657.75 × 4,480.93
  4. Step 4: Simplify right side
    7,000.84x = 43,275,677.56
  5. Step 5: Solve for x
    x = 43,275,677.56/7,000.84
  6. Step 6: Final answer
    x = 6,181.50

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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.