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Finding the Fourth Proportional to 5,969.80, 8,953.08 and 4,988.89

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Solution

The fourth proportional to 5,969.80, 8,953.08 and 4,988.89 is: 7,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,969.80 : 8,953.08 = 4,988.89 : x
  2. Step 2: Convert to fraction form
    5,969.80/8,953.08 = 4,988.89/x
  3. Step 3: Cross multiply
    5,969.80x = 8,953.08 × 4,988.89
  4. Step 4: Simplify right side
    5,969.80x = 44,665,931.28
  5. Step 5: Solve for x
    x = 44,665,931.28/5,969.80
  6. Step 6: Final answer
    x = 7,481.98

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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.