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Finding the Fourth Proportional to 7,580.84, 11,309.08 and 7,050.56

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Solution

The fourth proportional to 7,580.84, 11,309.08 and 7,050.56 is: 10,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.84 : 11,309.08 = 7,050.56 : x
  2. Step 2: Convert to fraction form
    7,580.84/11,309.08 = 7,050.56/x
  3. Step 3: Cross multiply
    7,580.84x = 11,309.08 × 7,050.56
  4. Step 4: Simplify right side
    7,580.84x = 79,735,347.08
  5. Step 5: Solve for x
    x = 79,735,347.08/7,580.84
  6. Step 6: Final answer
    x = 10,518.01

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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.