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Finding the Fourth Proportional to 35,295.63, 48,730.77 and 21,881.22

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Solution

The fourth proportional to 35,295.63, 48,730.77 and 21,881.22 is: 30,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.63 : 48,730.77 = 21,881.22 : x
  2. Step 2: Convert to fraction form
    35,295.63/48,730.77 = 21,881.22/x
  3. Step 3: Cross multiply
    35,295.63x = 48,730.77 × 21,881.22
  4. Step 4: Simplify right side
    35,295.63x = 1,066,288,699.14
  5. Step 5: Solve for x
    x = 1,066,288,699.14/35,295.63
  6. Step 6: Final answer
    x = 30,210.22

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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.