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Finding the Fourth Proportional to 64,082.99, 88,430.54 and 38,597.60

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Solution

The fourth proportional to 64,082.99, 88,430.54 and 38,597.60 is: 53,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,082.99 : 88,430.54 = 38,597.60 : x
  2. Step 2: Convert to fraction form
    64,082.99/88,430.54 = 38,597.60/x
  3. Step 3: Cross multiply
    64,082.99x = 88,430.54 × 38,597.60
  4. Step 4: Simplify right side
    64,082.99x = 3,413,205,975.56
  5. Step 5: Solve for x
    x = 3,413,205,975.56/64,082.99
  6. Step 6: Final answer
    x = 53,262.28

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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.