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Finding the Fourth Proportional to 29,913.71, 44,860.77 and 9,919.40

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Solution

The fourth proportional to 29,913.71, 44,860.77 and 9,919.40 is: 14,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,913.71 : 44,860.77 = 9,919.40 : x
  2. Step 2: Convert to fraction form
    29,913.71/44,860.77 = 9,919.40/x
  3. Step 3: Cross multiply
    29,913.71x = 44,860.77 × 9,919.40
  4. Step 4: Simplify right side
    29,913.71x = 444,991,697.63
  5. Step 5: Solve for x
    x = 444,991,697.63/29,913.71
  6. Step 6: Final answer
    x = 14,875.85

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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.