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Finding the Fourth Proportional to 70,310.46, 97,028.01 and 64,591.59

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Solution

The fourth proportional to 70,310.46, 97,028.01 and 64,591.59 is: 89,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310.46 : 97,028.01 = 64,591.59 : x
  2. Step 2: Convert to fraction form
    70,310.46/97,028.01 = 64,591.59/x
  3. Step 3: Cross multiply
    70,310.46x = 97,028.01 × 64,591.59
  4. Step 4: Simplify right side
    70,310.46x = 6,267,193,804.29
  5. Step 5: Solve for x
    x = 6,267,193,804.29/70,310.46
  6. Step 6: Final answer
    x = 89,136.00

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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.