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Finding the Fourth Proportional to 82,894.55, 124,311.45 and 26,749.40

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Solution

The fourth proportional to 82,894.55, 124,311.45 and 26,749.40 is: 40,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,894.55 : 124,311.45 = 26,749.40 : x
  2. Step 2: Convert to fraction form
    82,894.55/124,311.45 = 26,749.40/x
  3. Step 3: Cross multiply
    82,894.55x = 124,311.45 × 26,749.40
  4. Step 4: Simplify right side
    82,894.55x = 3,325,256,700.63
  5. Step 5: Solve for x
    x = 3,325,256,700.63/82,894.55
  6. Step 6: Final answer
    x = 40,114.30

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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.