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Finding the Fourth Proportional to 8,858.84, 12,225.53 and 4,880.52

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Solution

The fourth proportional to 8,858.84, 12,225.53 and 4,880.52 is: 6,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.84 : 12,225.53 = 4,880.52 : x
  2. Step 2: Convert to fraction form
    8,858.84/12,225.53 = 4,880.52/x
  3. Step 3: Cross multiply
    8,858.84x = 12,225.53 × 4,880.52
  4. Step 4: Simplify right side
    8,858.84x = 59,666,955.88
  5. Step 5: Solve for x
    x = 59,666,955.88/8,858.84
  6. Step 6: Final answer
    x = 6,735.31

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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.