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Finding the Fourth Proportional to 12,493.85, 17,254.42 and 10,807.16

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Solution

The fourth proportional to 12,493.85, 17,254.42 and 10,807.16 is: 14,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493.85 : 17,254.42 = 10,807.16 : x
  2. Step 2: Convert to fraction form
    12,493.85/17,254.42 = 10,807.16/x
  3. Step 3: Cross multiply
    12,493.85x = 17,254.42 × 10,807.16
  4. Step 4: Simplify right side
    12,493.85x = 186,471,164.36
  5. Step 5: Solve for x
    x = 186,471,164.36/12,493.85
  6. Step 6: Final answer
    x = 14,925.04

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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.