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Finding the Fourth Proportional to 8,969.95, 13,448.85 and 4,583.80

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Solution

The fourth proportional to 8,969.95, 13,448.85 and 4,583.80 is: 6,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.95 : 13,448.85 = 4,583.80 : x
  2. Step 2: Convert to fraction form
    8,969.95/13,448.85 = 4,583.80/x
  3. Step 3: Cross multiply
    8,969.95x = 13,448.85 × 4,583.80
  4. Step 4: Simplify right side
    8,969.95x = 61,646,838.63
  5. Step 5: Solve for x
    x = 61,646,838.63/8,969.95
  6. Step 6: Final answer
    x = 6,872.60

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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.