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Finding the Fourth Proportional to 17,778.84, 24,525.95 and 10,603.71

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Solution

The fourth proportional to 17,778.84, 24,525.95 and 10,603.71 is: 14,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.84 : 24,525.95 = 10,603.71 : x
  2. Step 2: Convert to fraction form
    17,778.84/24,525.95 = 10,603.71/x
  3. Step 3: Cross multiply
    17,778.84x = 24,525.95 × 10,603.71
  4. Step 4: Simplify right side
    17,778.84x = 260,066,008.26
  5. Step 5: Solve for x
    x = 260,066,008.26/17,778.84
  6. Step 6: Final answer
    x = 14,627.84

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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.