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Finding the Fourth Proportional to 64,713.30, 97,069.95 and 51,494.10

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Solution

The fourth proportional to 64,713.30, 97,069.95 and 51,494.10 is: 77,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,713.30 : 97,069.95 = 51,494.10 : x
  2. Step 2: Convert to fraction form
    64,713.30/97,069.95 = 51,494.10/x
  3. Step 3: Cross multiply
    64,713.30x = 97,069.95 × 51,494.10
  4. Step 4: Simplify right side
    64,713.30x = 4,998,529,712.30
  5. Step 5: Solve for x
    x = 4,998,529,712.30/64,713.30
  6. Step 6: Final answer
    x = 77,241.15

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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.