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Finding the Fourth Proportional to 50,490.63, 75,736.13 and 15,430.14

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Solution

The fourth proportional to 50,490.63, 75,736.13 and 15,430.14 is: 23,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.63 : 75,736.13 = 15,430.14 : x
  2. Step 2: Convert to fraction form
    50,490.63/75,736.13 = 15,430.14/x
  3. Step 3: Cross multiply
    50,490.63x = 75,736.13 × 15,430.14
  4. Step 4: Simplify right side
    50,490.63x = 1,168,619,011.81
  5. Step 5: Solve for x
    x = 1,168,619,011.81/50,490.63
  6. Step 6: Final answer
    x = 23,145.27

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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.