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Finding the Fourth Proportional to 35,780.58, 53,664.66 and 9,487.98

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Solution

The fourth proportional to 35,780.58, 53,664.66 and 9,487.98 is: 14,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.58 : 53,664.66 = 9,487.98 : x
  2. Step 2: Convert to fraction form
    35,780.58/53,664.66 = 9,487.98/x
  3. Step 3: Cross multiply
    35,780.58x = 53,664.66 × 9,487.98
  4. Step 4: Simplify right side
    35,780.58x = 509,169,220.79
  5. Step 5: Solve for x
    x = 509,169,220.79/35,780.58
  6. Step 6: Final answer
    x = 14,230.32

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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.