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Finding the Fourth Proportional to 65,010.70, 97,406.70 and 55,606.60

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Solution

The fourth proportional to 65,010.70, 97,406.70 and 55,606.60 is: 83,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,010.70 : 97,406.70 = 55,606.60 : x
  2. Step 2: Convert to fraction form
    65,010.70/97,406.70 = 55,606.60/x
  3. Step 3: Cross multiply
    65,010.70x = 97,406.70 × 55,606.60
  4. Step 4: Simplify right side
    65,010.70x = 5,416,455,404.22
  5. Step 5: Solve for x
    x = 5,416,455,404.22/65,010.70
  6. Step 6: Final answer
    x = 83,316.37

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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.