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Finding the Fourth Proportional to 64,235.40, 96,348.30 and 26,785.80

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Solution

The fourth proportional to 64,235.40, 96,348.30 and 26,785.80 is: 40,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,235.40 : 96,348.30 = 26,785.80 : x
  2. Step 2: Convert to fraction form
    64,235.40/96,348.30 = 26,785.80/x
  3. Step 3: Cross multiply
    64,235.40x = 96,348.30 × 26,785.80
  4. Step 4: Simplify right side
    64,235.40x = 2,580,766,294.14
  5. Step 5: Solve for x
    x = 2,580,766,294.14/64,235.40
  6. Step 6: Final answer
    x = 40,176.70

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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.