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Finding the Fourth Proportional to 79,495.65, 109,680.06 and 47,652.93

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Solution

The fourth proportional to 79,495.65, 109,680.06 and 47,652.93 is: 65,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.65 : 109,680.06 = 47,652.93 : x
  2. Step 2: Convert to fraction form
    79,495.65/109,680.06 = 47,652.93/x
  3. Step 3: Cross multiply
    79,495.65x = 109,680.06 × 47,652.93
  4. Step 4: Simplify right side
    79,495.65x = 5,226,576,221.58
  5. Step 5: Solve for x
    x = 5,226,576,221.58/79,495.65
  6. Step 6: Final answer
    x = 65,746.69

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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.