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Finding the Fourth Proportional to 9,477.92, 14,210.80 and 3,935.09

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Solution

The fourth proportional to 9,477.92, 14,210.80 and 3,935.09 is: 5,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,477.92 : 14,210.80 = 3,935.09 : x
  2. Step 2: Convert to fraction form
    9,477.92/14,210.80 = 3,935.09/x
  3. Step 3: Cross multiply
    9,477.92x = 14,210.80 × 3,935.09
  4. Step 4: Simplify right side
    9,477.92x = 55,920,792.28
  5. Step 5: Solve for x
    x = 55,920,792.28/9,477.92
  6. Step 6: Final answer
    x = 5,900.11

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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.