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Finding the Fourth Proportional to 8,884.79, 13,328.50 and 2,959.74

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Solution

The fourth proportional to 8,884.79, 13,328.50 and 2,959.74 is: 4,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.79 : 13,328.50 = 2,959.74 : x
  2. Step 2: Convert to fraction form
    8,884.79/13,328.50 = 2,959.74/x
  3. Step 3: Cross multiply
    8,884.79x = 13,328.50 × 2,959.74
  4. Step 4: Simplify right side
    8,884.79x = 39,448,894.59
  5. Step 5: Solve for x
    x = 39,448,894.59/8,884.79
  6. Step 6: Final answer
    x = 4,440.05

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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.