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Finding the Fourth Proportional to 8,962.86, 12,368.52 and 4,984.32

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Solution

The fourth proportional to 8,962.86, 12,368.52 and 4,984.32 is: 6,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.86 : 12,368.52 = 4,984.32 : x
  2. Step 2: Convert to fraction form
    8,962.86/12,368.52 = 4,984.32/x
  3. Step 3: Cross multiply
    8,962.86x = 12,368.52 × 4,984.32
  4. Step 4: Simplify right side
    8,962.86x = 61,648,661.61
  5. Step 5: Solve for x
    x = 61,648,661.61/8,962.86
  6. Step 6: Final answer
    x = 6,878.24

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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.