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Finding the Fourth Proportional to 10,007.25, 13,810.01 and 5,591.25

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Solution

The fourth proportional to 10,007.25, 13,810.01 and 5,591.25 is: 7,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.25 : 13,810.01 = 5,591.25 : x
  2. Step 2: Convert to fraction form
    10,007.25/13,810.01 = 5,591.25/x
  3. Step 3: Cross multiply
    10,007.25x = 13,810.01 × 5,591.25
  4. Step 4: Simplify right side
    10,007.25x = 77,215,190.46
  5. Step 5: Solve for x
    x = 77,215,190.46/10,007.25
  6. Step 6: Final answer
    x = 7,715.93

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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.