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Finding the Fourth Proportional to 19,248.50, 26,563.01 and 10,416.50

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Solution

The fourth proportional to 19,248.50, 26,563.01 and 10,416.50 is: 14,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.50 : 26,563.01 = 10,416.50 : x
  2. Step 2: Convert to fraction form
    19,248.50/26,563.01 = 10,416.50/x
  3. Step 3: Cross multiply
    19,248.50x = 26,563.01 × 10,416.50
  4. Step 4: Simplify right side
    19,248.50x = 276,693,593.67
  5. Step 5: Solve for x
    x = 276,693,593.67/19,248.50
  6. Step 6: Final answer
    x = 14,374.81

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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.