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Finding the Fourth Proportional to 35,495.16, 48,985.74 and 20,591.16

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Solution

The fourth proportional to 35,495.16, 48,985.74 and 20,591.16 is: 28,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.16 : 48,985.74 = 20,591.16 : x
  2. Step 2: Convert to fraction form
    35,495.16/48,985.74 = 20,591.16/x
  3. Step 3: Cross multiply
    35,495.16x = 48,985.74 × 20,591.16
  4. Step 4: Simplify right side
    35,495.16x = 1,008,673,210.06
  5. Step 5: Solve for x
    x = 1,008,673,210.06/35,495.16
  6. Step 6: Final answer
    x = 28,417.20

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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.