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Finding the Fourth Proportional to 9,807.94, 14,718.12 and 8,885.35

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Solution

The fourth proportional to 9,807.94, 14,718.12 and 8,885.35 is: 13,333.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.94 : 14,718.12 = 8,885.35 : x
  2. Step 2: Convert to fraction form
    9,807.94/14,718.12 = 8,885.35/x
  3. Step 3: Cross multiply
    9,807.94x = 14,718.12 × 8,885.35
  4. Step 4: Simplify right side
    9,807.94x = 130,775,647.54
  5. Step 5: Solve for x
    x = 130,775,647.54/9,807.94
  6. Step 6: Final answer
    x = 13,333.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.