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Finding the Fourth Proportional to 47,703.52, 71,569.56 and 14,424.64

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Solution

The fourth proportional to 47,703.52, 71,569.56 and 14,424.64 is: 21,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,703.52 : 71,569.56 = 14,424.64 : x
  2. Step 2: Convert to fraction form
    47,703.52/71,569.56 = 14,424.64/x
  3. Step 3: Cross multiply
    47,703.52x = 71,569.56 × 14,424.64
  4. Step 4: Simplify right side
    47,703.52x = 1,032,365,137.96
  5. Step 5: Solve for x
    x = 1,032,365,137.96/47,703.52
  6. Step 6: Final answer
    x = 21,641.28

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1.5x scale

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.