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Finding the Fourth Proportional to 46,006.60, 69,026.10 and 19,719.40

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Solution

The fourth proportional to 46,006.60, 69,026.10 and 19,719.40 is: 29,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,006.60 : 69,026.10 = 19,719.40 : x
  2. Step 2: Convert to fraction form
    46,006.60/69,026.10 = 19,719.40/x
  3. Step 3: Cross multiply
    46,006.60x = 69,026.10 × 19,719.40
  4. Step 4: Simplify right side
    46,006.60x = 1,361,153,276.34
  5. Step 5: Solve for x
    x = 1,361,153,276.34/46,006.60
  6. Step 6: Final answer
    x = 29,586.04

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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.