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Finding the Fourth Proportional to 64,083.60, 96,010.20 and 56,710.80

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Solution

The fourth proportional to 64,083.60, 96,010.20 and 56,710.80 is: 84,964.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,083.60 : 96,010.20 = 56,710.80 : x
  2. Step 2: Convert to fraction form
    64,083.60/96,010.20 = 56,710.80/x
  3. Step 3: Cross multiply
    64,083.60x = 96,010.20 × 56,710.80
  4. Step 4: Simplify right side
    64,083.60x = 5,444,815,250.16
  5. Step 5: Solve for x
    x = 5,444,815,250.16/64,083.60
  6. Step 6: Final answer
    x = 84,964.25

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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.