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Finding the Fourth Proportional to 64,034.19, 96,118.91 and 35,978.22

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Solution

The fourth proportional to 64,034.19, 96,118.91 and 35,978.22 is: 54,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,034.19 : 96,118.91 = 35,978.22 : x
  2. Step 2: Convert to fraction form
    64,034.19/96,118.91 = 35,978.22/x
  3. Step 3: Cross multiply
    64,034.19x = 96,118.91 × 35,978.22
  4. Step 4: Simplify right side
    64,034.19x = 3,458,186,899.49
  5. Step 5: Solve for x
    x = 3,458,186,899.49/64,034.19
  6. Step 6: Final answer
    x = 54,005.32

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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.