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Finding the Fourth Proportional to 62,802.30, 86,666.16 and 34,507.38

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Solution

The fourth proportional to 62,802.30, 86,666.16 and 34,507.38 is: 47,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,802.30 : 86,666.16 = 34,507.38 : x
  2. Step 2: Convert to fraction form
    62,802.30/86,666.16 = 34,507.38/x
  3. Step 3: Cross multiply
    62,802.30x = 86,666.16 × 34,507.38
  4. Step 4: Simplify right side
    62,802.30x = 2,990,622,116.26
  5. Step 5: Solve for x
    x = 2,990,622,116.26/62,802.30
  6. Step 6: Final answer
    x = 47,619.63

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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.