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Finding the Fourth Proportional to 82,879.01, 114,369.08 and 47,064.16

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Solution

The fourth proportional to 82,879.01, 114,369.08 and 47,064.16 is: 64,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879.01 : 114,369.08 = 47,064.16 : x
  2. Step 2: Convert to fraction form
    82,879.01/114,369.08 = 47,064.16/x
  3. Step 3: Cross multiply
    82,879.01x = 114,369.08 × 47,064.16
  4. Step 4: Simplify right side
    82,879.01x = 5,382,684,680.17
  5. Step 5: Solve for x
    x = 5,382,684,680.17/82,879.01
  6. Step 6: Final answer
    x = 64,946.30

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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.