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Finding the Fourth Proportional to 8,746.07, 12,069.20 and 4,969.22

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Solution

The fourth proportional to 8,746.07, 12,069.20 and 4,969.22 is: 6,857.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.07 : 12,069.20 = 4,969.22 : x
  2. Step 2: Convert to fraction form
    8,746.07/12,069.20 = 4,969.22/x
  3. Step 3: Cross multiply
    8,746.07x = 12,069.20 × 4,969.22
  4. Step 4: Simplify right side
    8,746.07x = 59,974,424.83
  5. Step 5: Solve for x
    x = 59,974,424.83/8,746.07
  6. Step 6: Final answer
    x = 6,857.30

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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.