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Finding the Fourth Proportional to 9,585.99, 14,378.63 and 3,345.99

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Solution

The fourth proportional to 9,585.99, 14,378.63 and 3,345.99 is: 5,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.99 : 14,378.63 = 3,345.99 : x
  2. Step 2: Convert to fraction form
    9,585.99/14,378.63 = 3,345.99/x
  3. Step 3: Cross multiply
    9,585.99x = 14,378.63 × 3,345.99
  4. Step 4: Simplify right side
    9,585.99x = 48,110,735.46
  5. Step 5: Solve for x
    x = 48,110,735.46/9,585.99
  6. Step 6: Final answer
    x = 5,018.86

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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.