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Finding the Fourth Proportional to 52,553.48, 72,525.54 and 28,681.44

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Solution

The fourth proportional to 52,553.48, 72,525.54 and 28,681.44 is: 39,581.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553.48 : 72,525.54 = 28,681.44 : x
  2. Step 2: Convert to fraction form
    52,553.48/72,525.54 = 28,681.44/x
  3. Step 3: Cross multiply
    52,553.48x = 72,525.54 × 28,681.44
  4. Step 4: Simplify right side
    52,553.48x = 2,080,136,923.98
  5. Step 5: Solve for x
    x = 2,080,136,923.98/52,553.48
  6. Step 6: Final answer
    x = 39,581.34

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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.