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Finding the Fourth Proportional to 58,996.70, 88,365.45 and 51,220.70

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Solution

The fourth proportional to 58,996.70, 88,365.45 and 51,220.70 is: 76,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,996.70 : 88,365.45 = 51,220.70 : x
  2. Step 2: Convert to fraction form
    58,996.70/88,365.45 = 51,220.70/x
  3. Step 3: Cross multiply
    58,996.70x = 88,365.45 × 51,220.70
  4. Step 4: Simplify right side
    58,996.70x = 4,526,140,204.82
  5. Step 5: Solve for x
    x = 4,526,140,204.82/58,996.70
  6. Step 6: Final answer
    x = 76,718.53

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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.