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Finding the Fourth Proportional to 35,290.80, 52,889.47 and 25,886.78

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Solution

The fourth proportional to 35,290.80, 52,889.47 and 25,886.78 is: 38,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.80 : 52,889.47 = 25,886.78 : x
  2. Step 2: Convert to fraction form
    35,290.80/52,889.47 = 25,886.78/x
  3. Step 3: Cross multiply
    35,290.80x = 52,889.47 × 25,886.78
  4. Step 4: Simplify right side
    35,290.80x = 1,369,137,944.77
  5. Step 5: Solve for x
    x = 1,369,137,944.77/35,290.80
  6. Step 6: Final answer
    x = 38,795.89

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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.