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Finding the Fourth Proportional to 8,798.54, 13,200.55 and 2,955.40

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Solution

The fourth proportional to 8,798.54, 13,200.55 and 2,955.40 is: 4,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.54 : 13,200.55 = 2,955.40 : x
  2. Step 2: Convert to fraction form
    8,798.54/13,200.55 = 2,955.40/x
  3. Step 3: Cross multiply
    8,798.54x = 13,200.55 × 2,955.40
  4. Step 4: Simplify right side
    8,798.54x = 39,012,865.08
  5. Step 5: Solve for x
    x = 39,012,865.08/8,798.54
  6. Step 6: Final answer
    x = 4,434.02

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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.