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Finding the Fourth Proportional to 53,881.40, 80,822.10 and 14,437.52

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Solution

The fourth proportional to 53,881.40, 80,822.10 and 14,437.52 is: 21,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,881.40 : 80,822.10 = 14,437.52 : x
  2. Step 2: Convert to fraction form
    53,881.40/80,822.10 = 14,437.52/x
  3. Step 3: Cross multiply
    53,881.40x = 80,822.10 × 14,437.52
  4. Step 4: Simplify right side
    53,881.40x = 1,166,870,685.19
  5. Step 5: Solve for x
    x = 1,166,870,685.19/53,881.40
  6. Step 6: Final answer
    x = 21,656.28

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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.