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Finding the Fourth Proportional to 62,665.84, 86,483.26 and 35,812.32

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Solution

The fourth proportional to 62,665.84, 86,483.26 and 35,812.32 is: 49,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,665.84 : 86,483.26 = 35,812.32 : x
  2. Step 2: Convert to fraction form
    62,665.84/86,483.26 = 35,812.32/x
  3. Step 3: Cross multiply
    62,665.84x = 86,483.26 × 35,812.32
  4. Step 4: Simplify right side
    62,665.84x = 3,097,166,181.76
  5. Step 5: Solve for x
    x = 3,097,166,181.76/62,665.84
  6. Step 6: Final answer
    x = 49,423.52

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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.