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Finding the Fourth Proportional to 30,569.57, 45,858.64 and 28,888.82

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Solution

The fourth proportional to 30,569.57, 45,858.64 and 28,888.82 is: 43,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.57 : 45,858.64 = 28,888.82 : x
  2. Step 2: Convert to fraction form
    30,569.57/45,858.64 = 28,888.82/x
  3. Step 3: Cross multiply
    30,569.57x = 45,858.64 × 28,888.82
  4. Step 4: Simplify right side
    30,569.57x = 1,324,801,996.40
  5. Step 5: Solve for x
    x = 1,324,801,996.40/30,569.57
  6. Step 6: Final answer
    x = 43,337.28

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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.