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Finding the Fourth Proportional to 58,259.68, 80,312.78 and 41,211.40

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Solution

The fourth proportional to 58,259.68, 80,312.78 and 41,211.40 is: 56,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,259.68 : 80,312.78 = 41,211.40 : x
  2. Step 2: Convert to fraction form
    58,259.68/80,312.78 = 41,211.40/x
  3. Step 3: Cross multiply
    58,259.68x = 80,312.78 × 41,211.40
  4. Step 4: Simplify right side
    58,259.68x = 3,309,802,101.69
  5. Step 5: Solve for x
    x = 3,309,802,101.69/58,259.68
  6. Step 6: Final answer
    x = 56,811.20

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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.