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Finding the Fourth Proportional to 63,121.64, 87,107.64 and 34,827.18

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Solution

The fourth proportional to 63,121.64, 87,107.64 and 34,827.18 is: 48,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.64 : 87,107.64 = 34,827.18 : x
  2. Step 2: Convert to fraction form
    63,121.64/87,107.64 = 34,827.18/x
  3. Step 3: Cross multiply
    63,121.64x = 87,107.64 × 34,827.18
  4. Step 4: Simplify right side
    63,121.64x = 3,033,713,457.66
  5. Step 5: Solve for x
    x = 3,033,713,457.66/63,121.64
  6. Step 6: Final answer
    x = 48,061.39

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Find fourth proportional to 63,122.64, 87,109.02 and 34,828.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.