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Finding the Fourth Proportional to 81,827.08, 112,920.30 and 46,017.08

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Solution

The fourth proportional to 81,827.08, 112,920.30 and 46,017.08 is: 63,502.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,827.08 : 112,920.30 = 46,017.08 : x
  2. Step 2: Convert to fraction form
    81,827.08/112,920.30 = 46,017.08/x
  3. Step 3: Cross multiply
    81,827.08x = 112,920.30 × 46,017.08
  4. Step 4: Simplify right side
    81,827.08x = 5,196,262,478.72
  5. Step 5: Solve for x
    x = 5,196,262,478.72/81,827.08
  6. Step 6: Final answer
    x = 63,502.97

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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.