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Finding the Fourth Proportional to 64,277.70, 96,416.55 and 16,892.70

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Solution

The fourth proportional to 64,277.70, 96,416.55 and 16,892.70 is: 25,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,277.70 : 96,416.55 = 16,892.70 : x
  2. Step 2: Convert to fraction form
    64,277.70/96,416.55 = 16,892.70/x
  3. Step 3: Cross multiply
    64,277.70x = 96,416.55 × 16,892.70
  4. Step 4: Simplify right side
    64,277.70x = 1,628,735,854.19
  5. Step 5: Solve for x
    x = 1,628,735,854.19/64,277.70
  6. Step 6: Final answer
    x = 25,339.05

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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.