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Finding the Fourth Proportional to 64,883.70, 97,325.55 and 57,885.30

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Solution

The fourth proportional to 64,883.70, 97,325.55 and 57,885.30 is: 86,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.70 : 97,325.55 = 57,885.30 : x
  2. Step 2: Convert to fraction form
    64,883.70/97,325.55 = 57,885.30/x
  3. Step 3: Cross multiply
    64,883.70x = 97,325.55 × 57,885.30
  4. Step 4: Simplify right side
    64,883.70x = 5,633,718,659.42
  5. Step 5: Solve for x
    x = 5,633,718,659.42/64,883.70
  6. Step 6: Final answer
    x = 86,827.95

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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.