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Finding the Fourth Proportional to 46,881.96, 70,228.71 and 21,887.52

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Solution

The fourth proportional to 46,881.96, 70,228.71 and 21,887.52 is: 32,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,881.96 : 70,228.71 = 21,887.52 : x
  2. Step 2: Convert to fraction form
    46,881.96/70,228.71 = 21,887.52/x
  3. Step 3: Cross multiply
    46,881.96x = 70,228.71 × 21,887.52
  4. Step 4: Simplify right side
    46,881.96x = 1,537,132,294.70
  5. Step 5: Solve for x
    x = 1,537,132,294.70/46,881.96
  6. Step 6: Final answer
    x = 32,787.29

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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.