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Finding the Fourth Proportional to 56,477.70, 84,619.35 and 36,746.10

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Solution

The fourth proportional to 56,477.70, 84,619.35 and 36,746.10 is: 55,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.70 : 84,619.35 = 36,746.10 : x
  2. Step 2: Convert to fraction form
    56,477.70/84,619.35 = 36,746.10/x
  3. Step 3: Cross multiply
    56,477.70x = 84,619.35 × 36,746.10
  4. Step 4: Simplify right side
    56,477.70x = 3,109,431,097.04
  5. Step 5: Solve for x
    x = 3,109,431,097.04/56,477.70
  6. Step 6: Final answer
    x = 55,055.91

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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.