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Finding the Fourth Proportional to 64,010.70, 96,016.05 and 40,740.30

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Solution

The fourth proportional to 64,010.70, 96,016.05 and 40,740.30 is: 61,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.70 : 96,016.05 = 40,740.30 : x
  2. Step 2: Convert to fraction form
    64,010.70/96,016.05 = 40,740.30/x
  3. Step 3: Cross multiply
    64,010.70x = 96,016.05 × 40,740.30
  4. Step 4: Simplify right side
    64,010.70x = 3,911,722,681.82
  5. Step 5: Solve for x
    x = 3,911,722,681.82/64,010.70
  6. Step 6: Final answer
    x = 61,110.45

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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.