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Finding the Fourth Proportional to 19,925.37, 29,881.08 and 5,881.68

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Solution

The fourth proportional to 19,925.37, 29,881.08 and 5,881.68 is: 8,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,925.37 : 29,881.08 = 5,881.68 : x
  2. Step 2: Convert to fraction form
    19,925.37/29,881.08 = 5,881.68/x
  3. Step 3: Cross multiply
    19,925.37x = 29,881.08 × 5,881.68
  4. Step 4: Simplify right side
    19,925.37x = 175,750,950.61
  5. Step 5: Solve for x
    x = 175,750,950.61/19,925.37
  6. Step 6: Final answer
    x = 8,820.46

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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.