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Finding the Fourth Proportional to 5,707.09, 7,875.99 and 3,349.99

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Solution

The fourth proportional to 5,707.09, 7,875.99 and 3,349.99 is: 4,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.09 : 7,875.99 = 3,349.99 : x
  2. Step 2: Convert to fraction form
    5,707.09/7,875.99 = 3,349.99/x
  3. Step 3: Cross multiply
    5,707.09x = 7,875.99 × 3,349.99
  4. Step 4: Simplify right side
    5,707.09x = 26,384,431.61
  5. Step 5: Solve for x
    x = 26,384,431.61/5,707.09
  6. Step 6: Final answer
    x = 4,623.10

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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.