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Finding the Fourth Proportional to 35,290.01, 48,700.26 and 20,952.71

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Solution

The fourth proportional to 35,290.01, 48,700.26 and 20,952.71 is: 28,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.01 : 48,700.26 = 20,952.71 : x
  2. Step 2: Convert to fraction form
    35,290.01/48,700.26 = 20,952.71/x
  3. Step 3: Cross multiply
    35,290.01x = 48,700.26 × 20,952.71
  4. Step 4: Simplify right side
    35,290.01x = 1,020,402,424.70
  5. Step 5: Solve for x
    x = 1,020,402,424.70/35,290.01
  6. Step 6: Final answer
    x = 28,914.77

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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.