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Finding the Fourth Proportional to 9,852.96, 14,780.64 and 4,008.78

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Solution

The fourth proportional to 9,852.96, 14,780.64 and 4,008.78 is: 6,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,852.96 : 14,780.64 = 4,008.78 : x
  2. Step 2: Convert to fraction form
    9,852.96/14,780.64 = 4,008.78/x
  3. Step 3: Cross multiply
    9,852.96x = 14,780.64 × 4,008.78
  4. Step 4: Simplify right side
    9,852.96x = 59,252,334.02
  5. Step 5: Solve for x
    x = 59,252,334.02/9,852.96
  6. Step 6: Final answer
    x = 6,013.66

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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.