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Finding the Fourth Proportional to 64,618.84, 96,888.55 and 25,129.91

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Solution

The fourth proportional to 64,618.84, 96,888.55 and 25,129.91 is: 37,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,618.84 : 96,888.55 = 25,129.91 : x
  2. Step 2: Convert to fraction form
    64,618.84/96,888.55 = 25,129.91/x
  3. Step 3: Cross multiply
    64,618.84x = 96,888.55 × 25,129.91
  4. Step 4: Simplify right side
    64,618.84x = 2,434,800,541.53
  5. Step 5: Solve for x
    x = 2,434,800,541.53/64,618.84
  6. Step 6: Final answer
    x = 37,679.42

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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.