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Finding the Fourth Proportional to 6,393.95, 8,823.43 and 3,598.91

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Solution

The fourth proportional to 6,393.95, 8,823.43 and 3,598.91 is: 4,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.95 : 8,823.43 = 3,598.91 : x
  2. Step 2: Convert to fraction form
    6,393.95/8,823.43 = 3,598.91/x
  3. Step 3: Cross multiply
    6,393.95x = 8,823.43 × 3,598.91
  4. Step 4: Simplify right side
    6,393.95x = 31,754,730.46
  5. Step 5: Solve for x
    x = 31,754,730.46/6,393.95
  6. Step 6: Final answer
    x = 4,966.37

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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.