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Finding the Fourth Proportional to 8,802.81, 12,147.88 and 4,824.08

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Solution

The fourth proportional to 8,802.81, 12,147.88 and 4,824.08 is: 6,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.81 : 12,147.88 = 4,824.08 : x
  2. Step 2: Convert to fraction form
    8,802.81/12,147.88 = 4,824.08/x
  3. Step 3: Cross multiply
    8,802.81x = 12,147.88 × 4,824.08
  4. Step 4: Simplify right side
    8,802.81x = 58,602,344.95
  5. Step 5: Solve for x
    x = 58,602,344.95/8,802.81
  6. Step 6: Final answer
    x = 6,657.23

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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.