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Finding the Fourth Proportional to 4,802.47, 7,192.63 and 4,636.24

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Solution

The fourth proportional to 4,802.47, 7,192.63 and 4,636.24 is: 6,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,802.47 : 7,192.63 = 4,636.24 : x
  2. Step 2: Convert to fraction form
    4,802.47/7,192.63 = 4,636.24/x
  3. Step 3: Cross multiply
    4,802.47x = 7,192.63 × 4,636.24
  4. Step 4: Simplify right side
    4,802.47x = 33,346,787.18
  5. Step 5: Solve for x
    x = 33,346,787.18/4,802.47
  6. Step 6: Final answer
    x = 6,943.67

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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.