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Finding the Fourth Proportional to 64,587.41, 96,899.65 and 27,128.22

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Solution

The fourth proportional to 64,587.41, 96,899.65 and 27,128.22 is: 40,700.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.41 : 96,899.65 = 27,128.22 : x
  2. Step 2: Convert to fraction form
    64,587.41/96,899.65 = 27,128.22/x
  3. Step 3: Cross multiply
    64,587.41x = 96,899.65 × 27,128.22
  4. Step 4: Simplify right side
    64,587.41x = 2,628,714,955.30
  5. Step 5: Solve for x
    x = 2,628,714,955.30/64,587.41
  6. Step 6: Final answer
    x = 40,700.11

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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.