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Finding the Fourth Proportional to 8,476.02, 12,763.76 and 7,393.32

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Solution

The fourth proportional to 8,476.02, 12,763.76 and 7,393.32 is: 11,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.02 : 12,763.76 = 7,393.32 : x
  2. Step 2: Convert to fraction form
    8,476.02/12,763.76 = 7,393.32/x
  3. Step 3: Cross multiply
    8,476.02x = 12,763.76 × 7,393.32
  4. Step 4: Simplify right side
    8,476.02x = 94,366,525.12
  5. Step 5: Solve for x
    x = 94,366,525.12/8,476.02
  6. Step 6: Final answer
    x = 11,133.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.