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Finding the Fourth Proportional to 26,376.42, 36,399.42 and 14,439.99

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Solution

The fourth proportional to 26,376.42, 36,399.42 and 14,439.99 is: 19,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.42 : 36,399.42 = 14,439.99 : x
  2. Step 2: Convert to fraction form
    26,376.42/36,399.42 = 14,439.99/x
  3. Step 3: Cross multiply
    26,376.42x = 36,399.42 × 14,439.99
  4. Step 4: Simplify right side
    26,376.42x = 525,607,260.81
  5. Step 5: Solve for x
    x = 525,607,260.81/26,376.42
  6. Step 6: Final answer
    x = 19,927.16

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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.