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Finding the Fourth Proportional to 8,991.84, 12,404.88 and 5,848.32

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Solution

The fourth proportional to 8,991.84, 12,404.88 and 5,848.32 is: 8,068.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991.84 : 12,404.88 = 5,848.32 : x
  2. Step 2: Convert to fraction form
    8,991.84/12,404.88 = 5,848.32/x
  3. Step 3: Cross multiply
    8,991.84x = 12,404.88 × 5,848.32
  4. Step 4: Simplify right side
    8,991.84x = 72,547,707.80
  5. Step 5: Solve for x
    x = 72,547,707.80/8,991.84
  6. Step 6: Final answer
    x = 8,068.17

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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.