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Finding the Fourth Proportional to 8,670.60, 11,962.48 and 4,893.32

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Solution

The fourth proportional to 8,670.60, 11,962.48 and 4,893.32 is: 6,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.60 : 11,962.48 = 4,893.32 : x
  2. Step 2: Convert to fraction form
    8,670.60/11,962.48 = 4,893.32/x
  3. Step 3: Cross multiply
    8,670.60x = 11,962.48 × 4,893.32
  4. Step 4: Simplify right side
    8,670.60x = 58,536,242.63
  5. Step 5: Solve for x
    x = 58,536,242.63/8,670.60
  6. Step 6: Final answer
    x = 6,751.12

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1.5x scale

Why These Related Problems?

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