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Finding the Fourth Proportional to 64,955.70, 97,445.56 and 20,593.62

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Solution

The fourth proportional to 64,955.70, 97,445.56 and 20,593.62 is: 30,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,955.70 : 97,445.56 = 20,593.62 : x
  2. Step 2: Convert to fraction form
    64,955.70/97,445.56 = 20,593.62/x
  3. Step 3: Cross multiply
    64,955.70x = 97,445.56 × 20,593.62
  4. Step 4: Simplify right side
    64,955.70x = 2,006,756,833.33
  5. Step 5: Solve for x
    x = 2,006,756,833.33/64,955.70
  6. Step 6: Final answer
    x = 30,894.24

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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.