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Finding the Fourth Proportional to 35,165.84, 52,746.93 and 8,870.81

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Solution

The fourth proportional to 35,165.84, 52,746.93 and 8,870.81 is: 13,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,165.84 : 52,746.93 = 8,870.81 : x
  2. Step 2: Convert to fraction form
    35,165.84/52,746.93 = 8,870.81/x
  3. Step 3: Cross multiply
    35,165.84x = 52,746.93 × 8,870.81
  4. Step 4: Simplify right side
    35,165.84x = 467,907,994.11
  5. Step 5: Solve for x
    x = 467,907,994.11/35,165.84
  6. Step 6: Final answer
    x = 13,305.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.