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Finding the Fourth Proportional to 7,553.53, 10,425 and 5,436.07

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Solution

The fourth proportional to 7,553.53, 10,425 and 5,436.07 is: 7,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.53 : 10,425 = 5,436.07 : x
  2. Step 2: Convert to fraction form
    7,553.53/10,425 = 5,436.07/x
  3. Step 3: Cross multiply
    7,553.53x = 10,425 × 5,436.07
  4. Step 4: Simplify right side
    7,553.53x = 56,671,029.75
  5. Step 5: Solve for x
    x = 56,671,029.75/7,553.53
  6. Step 6: Final answer
    x = 7,502.59

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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.