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Finding the Fourth Proportional to 11,670.94, 17,409.29 and 10,549.90

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Solution

The fourth proportional to 11,670.94, 17,409.29 and 10,549.90 is: 15,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.94 : 17,409.29 = 10,549.90 : x
  2. Step 2: Convert to fraction form
    11,670.94/17,409.29 = 10,549.90/x
  3. Step 3: Cross multiply
    11,670.94x = 17,409.29 × 10,549.90
  4. Step 4: Simplify right side
    11,670.94x = 183,666,268.57
  5. Step 5: Solve for x
    x = 183,666,268.57/11,670.94
  6. Step 6: Final answer
    x = 15,737.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.