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Finding the Fourth Proportional to 7,220.84, 10,810.14 and 6,529.10

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Solution

The fourth proportional to 7,220.84, 10,810.14 and 6,529.10 is: 9,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.84 : 10,810.14 = 6,529.10 : x
  2. Step 2: Convert to fraction form
    7,220.84/10,810.14 = 6,529.10/x
  3. Step 3: Cross multiply
    7,220.84x = 10,810.14 × 6,529.10
  4. Step 4: Simplify right side
    7,220.84x = 70,580,485.07
  5. Step 5: Solve for x
    x = 70,580,485.07/7,220.84
  6. Step 6: Final answer
    x = 9,774.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.