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Finding the Fourth Proportional to 10,393.97, 15,590.97 and 2,602.77

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Solution

The fourth proportional to 10,393.97, 15,590.97 and 2,602.77 is: 3,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.97 : 15,590.97 = 2,602.77 : x
  2. Step 2: Convert to fraction form
    10,393.97/15,590.97 = 2,602.77/x
  3. Step 3: Cross multiply
    10,393.97x = 15,590.97 × 2,602.77
  4. Step 4: Simplify right side
    10,393.97x = 40,579,708.99
  5. Step 5: Solve for x
    x = 40,579,708.99/10,393.97
  6. Step 6: Final answer
    x = 3,904.16

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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.