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Finding the Fourth Proportional to 10,780.67, 14,875.08 and 6,303.54

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Solution

The fourth proportional to 10,780.67, 14,875.08 and 6,303.54 is: 8,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.67 : 14,875.08 = 6,303.54 : x
  2. Step 2: Convert to fraction form
    10,780.67/14,875.08 = 6,303.54/x
  3. Step 3: Cross multiply
    10,780.67x = 14,875.08 × 6,303.54
  4. Step 4: Simplify right side
    10,780.67x = 93,765,661.78
  5. Step 5: Solve for x
    x = 93,765,661.78/10,780.67
  6. Step 6: Final answer
    x = 8,697.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.