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Finding the Fourth Proportional to 13,062.84, 19,594.15 and 7,762.75

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Solution

The fourth proportional to 13,062.84, 19,594.15 and 7,762.75 is: 11,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.84 : 19,594.15 = 7,762.75 : x
  2. Step 2: Convert to fraction form
    13,062.84/19,594.15 = 7,762.75/x
  3. Step 3: Cross multiply
    13,062.84x = 19,594.15 × 7,762.75
  4. Step 4: Simplify right side
    13,062.84x = 152,104,426.68
  5. Step 5: Solve for x
    x = 152,104,426.68/13,062.84
  6. Step 6: Final answer
    x = 11,644.06

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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.