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Finding the Fourth Proportional to 46,852.66, 70,289.34 and 21,879.10

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Solution

The fourth proportional to 46,852.66, 70,289.34 and 21,879.10 is: 32,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,852.66 : 70,289.34 = 21,879.10 : x
  2. Step 2: Convert to fraction form
    46,852.66/70,289.34 = 21,879.10/x
  3. Step 3: Cross multiply
    46,852.66x = 70,289.34 × 21,879.10
  4. Step 4: Simplify right side
    46,852.66x = 1,537,867,498.79
  5. Step 5: Solve for x
    x = 1,537,867,498.79/46,852.66
  6. Step 6: Final answer
    x = 32,823.48

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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.