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Finding the Fourth Proportional to 64,356.88, 96,520.50 and 17,613.40

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Solution

The fourth proportional to 64,356.88, 96,520.50 and 17,613.40 is: 26,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,356.88 : 96,520.50 = 17,613.40 : x
  2. Step 2: Convert to fraction form
    64,356.88/96,520.50 = 17,613.40/x
  3. Step 3: Cross multiply
    64,356.88x = 96,520.50 × 17,613.40
  4. Step 4: Simplify right side
    64,356.88x = 1,700,054,174.70
  5. Step 5: Solve for x
    x = 1,700,054,174.70/64,356.88
  6. Step 6: Final answer
    x = 26,416.04

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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.