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Finding the Fourth Proportional to 8,673.89, 11,970.08 and 4,898.07

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Solution

The fourth proportional to 8,673.89, 11,970.08 and 4,898.07 is: 6,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.89 : 11,970.08 = 4,898.07 : x
  2. Step 2: Convert to fraction form
    8,673.89/11,970.08 = 4,898.07/x
  3. Step 3: Cross multiply
    8,673.89x = 11,970.08 × 4,898.07
  4. Step 4: Simplify right side
    8,673.89x = 58,630,283.62
  5. Step 5: Solve for x
    x = 58,630,283.62/8,673.89
  6. Step 6: Final answer
    x = 6,759.40

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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.