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Finding the Fourth Proportional to 8,750.89, 12,076.47 and 5,348.45

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Solution

The fourth proportional to 8,750.89, 12,076.47 and 5,348.45 is: 7,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.89 : 12,076.47 = 5,348.45 : x
  2. Step 2: Convert to fraction form
    8,750.89/12,076.47 = 5,348.45/x
  3. Step 3: Cross multiply
    8,750.89x = 12,076.47 × 5,348.45
  4. Step 4: Simplify right side
    8,750.89x = 64,590,411.12
  5. Step 5: Solve for x
    x = 64,590,411.12/8,750.89
  6. Step 6: Final answer
    x = 7,381.01

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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.