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Finding the Fourth Proportional to 5,262.80, 7,903.16 and 5,053.52

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Solution

The fourth proportional to 5,262.80, 7,903.16 and 5,053.52 is: 7,588.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.80 : 7,903.16 = 5,053.52 : x
  2. Step 2: Convert to fraction form
    5,262.80/7,903.16 = 5,053.52/x
  3. Step 3: Cross multiply
    5,262.80x = 7,903.16 × 5,053.52
  4. Step 4: Simplify right side
    5,262.80x = 39,938,777.12
  5. Step 5: Solve for x
    x = 39,938,777.12/5,262.80
  6. Step 6: Final answer
    x = 7,588.88

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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.