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Finding the Fourth Proportional to 35,226.70, 48,617.80 and 21,802.26

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Solution

The fourth proportional to 35,226.70, 48,617.80 and 21,802.26 is: 30,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,226.70 : 48,617.80 = 21,802.26 : x
  2. Step 2: Convert to fraction form
    35,226.70/48,617.80 = 21,802.26/x
  3. Step 3: Cross multiply
    35,226.70x = 48,617.80 × 21,802.26
  4. Step 4: Simplify right side
    35,226.70x = 1,059,977,916.23
  5. Step 5: Solve for x
    x = 1,059,977,916.23/35,226.70
  6. Step 6: Final answer
    x = 30,090.18

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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.