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Finding the Fourth Proportional to 8,750.16, 12,074.88 and 4,973.28

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Solution

The fourth proportional to 8,750.16, 12,074.88 and 4,973.28 is: 6,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.16 : 12,074.88 = 4,973.28 : x
  2. Step 2: Convert to fraction form
    8,750.16/12,074.88 = 4,973.28/x
  3. Step 3: Cross multiply
    8,750.16x = 12,074.88 × 4,973.28
  4. Step 4: Simplify right side
    8,750.16x = 60,051,759.21
  5. Step 5: Solve for x
    x = 60,051,759.21/8,750.16
  6. Step 6: Final answer
    x = 6,862.93

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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.