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Finding the Fourth Proportional to 35,290.63, 48,679.67 and 20,941.01

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Solution

The fourth proportional to 35,290.63, 48,679.67 and 20,941.01 is: 28,885.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,290.63 : 48,679.67 = 20,941.01 : x
  2. Step 2: Convert to fraction form
    35,290.63/48,679.67 = 20,941.01/x
  3. Step 3: Cross multiply
    35,290.63x = 48,679.67 × 20,941.01
  4. Step 4: Simplify right side
    35,290.63x = 1,019,401,447.77
  5. Step 5: Solve for x
    x = 1,019,401,447.77/35,290.63
  6. Step 6: Final answer
    x = 28,885.89

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1.5x scale

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.