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Finding the Fourth Proportional to 9,808.79, 14,703.75 and 6,288.93

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Solution

The fourth proportional to 9,808.79, 14,703.75 and 6,288.93 is: 9,427.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.79 : 14,703.75 = 6,288.93 : x
  2. Step 2: Convert to fraction form
    9,808.79/14,703.75 = 6,288.93/x
  3. Step 3: Cross multiply
    9,808.79x = 14,703.75 × 6,288.93
  4. Step 4: Simplify right side
    9,808.79x = 92,470,854.49
  5. Step 5: Solve for x
    x = 92,470,854.49/9,808.79
  6. Step 6: Final answer
    x = 9,427.35

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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.