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Finding the Fourth Proportional to 82,695.61, 114,117.87 and 48,246.94

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Solution

The fourth proportional to 82,695.61, 114,117.87 and 48,246.94 is: 66,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,695.61 : 114,117.87 = 48,246.94 : x
  2. Step 2: Convert to fraction form
    82,695.61/114,117.87 = 48,246.94/x
  3. Step 3: Cross multiply
    82,695.61x = 114,117.87 × 48,246.94
  4. Step 4: Simplify right side
    82,695.61x = 5,505,838,026.82
  5. Step 5: Solve for x
    x = 5,505,838,026.82/82,695.61
  6. Step 6: Final answer
    x = 66,579.57

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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.