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Finding the Fourth Proportional to 8,802.16, 12,147.08 and 4,823.28

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Solution

The fourth proportional to 8,802.16, 12,147.08 and 4,823.28 is: 6,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.16 : 12,147.08 = 4,823.28 : x
  2. Step 2: Convert to fraction form
    8,802.16/12,147.08 = 4,823.28/x
  3. Step 3: Cross multiply
    8,802.16x = 12,147.08 × 4,823.28
  4. Step 4: Simplify right side
    8,802.16x = 58,588,768.02
  5. Step 5: Solve for x
    x = 58,588,768.02/8,802.16
  6. Step 6: Final answer
    x = 6,656.18

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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.