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Finding the Fourth Proportional to 56,883.78, 78,483.87 and 36,741.51

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Solution

The fourth proportional to 56,883.78, 78,483.87 and 36,741.51 is: 50,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.78 : 78,483.87 = 36,741.51 : x
  2. Step 2: Convert to fraction form
    56,883.78/78,483.87 = 36,741.51/x
  3. Step 3: Cross multiply
    56,883.78x = 78,483.87 × 36,741.51
  4. Step 4: Simplify right side
    56,883.78x = 2,883,615,894.44
  5. Step 5: Solve for x
    x = 2,883,615,894.44/56,883.78
  6. Step 6: Final answer
    x = 50,693.11

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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.