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Finding the Fourth Proportional to 58,403.70, 80,598.77 and 32,910.30

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Solution

The fourth proportional to 58,403.70, 80,598.77 and 32,910.30 is: 45,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.70 : 80,598.77 = 32,910.30 : x
  2. Step 2: Convert to fraction form
    58,403.70/80,598.77 = 32,910.30/x
  3. Step 3: Cross multiply
    58,403.70x = 80,598.77 × 32,910.30
  4. Step 4: Simplify right side
    58,403.70x = 2,652,529,535.78
  5. Step 5: Solve for x
    x = 2,652,529,535.78/58,403.70
  6. Step 6: Final answer
    x = 45,417.15

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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.