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Finding the Fourth Proportional to 76,653.38, 114,980.11 and 34,484.22

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Solution

The fourth proportional to 76,653.38, 114,980.11 and 34,484.22 is: 51,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,653.38 : 114,980.11 = 34,484.22 : x
  2. Step 2: Convert to fraction form
    76,653.38/114,980.11 = 34,484.22/x
  3. Step 3: Cross multiply
    76,653.38x = 114,980.11 × 34,484.22
  4. Step 4: Simplify right side
    76,653.38x = 3,964,999,322.65
  5. Step 5: Solve for x
    x = 3,964,999,322.65/76,653.38
  6. Step 6: Final answer
    x = 51,726.35

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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.