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Finding the Fourth Proportional to 8,675.04, 11,971.55 and 4,696.16

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Solution

The fourth proportional to 8,675.04, 11,971.55 and 4,696.16 is: 6,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.04 : 11,971.55 = 4,696.16 : x
  2. Step 2: Convert to fraction form
    8,675.04/11,971.55 = 4,696.16/x
  3. Step 3: Cross multiply
    8,675.04x = 11,971.55 × 4,696.16
  4. Step 4: Simplify right side
    8,675.04x = 56,220,239.71
  5. Step 5: Solve for x
    x = 56,220,239.71/8,675.04
  6. Step 6: Final answer
    x = 6,480.69

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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.