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Finding the Fourth Proportional to 65,006.70, 97,400.70 and 55,602.60

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Solution

The fourth proportional to 65,006.70, 97,400.70 and 55,602.60 is: 83,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,006.70 : 97,400.70 = 55,602.60 : x
  2. Step 2: Convert to fraction form
    65,006.70/97,400.70 = 55,602.60/x
  3. Step 3: Cross multiply
    65,006.70x = 97,400.70 × 55,602.60
  4. Step 4: Simplify right side
    65,006.70x = 5,415,732,161.82
  5. Step 5: Solve for x
    x = 5,415,732,161.82/65,006.70
  6. Step 6: Final answer
    x = 83,310.37

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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.