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Finding the Fourth Proportional to 56,152.77, 77,420.79 and 35,976.48

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Solution

The fourth proportional to 56,152.77, 77,420.79 and 35,976.48 is: 49,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,152.77 : 77,420.79 = 35,976.48 : x
  2. Step 2: Convert to fraction form
    56,152.77/77,420.79 = 35,976.48/x
  3. Step 3: Cross multiply
    56,152.77x = 77,420.79 × 35,976.48
  4. Step 4: Simplify right side
    56,152.77x = 2,785,327,503.02
  5. Step 5: Solve for x
    x = 2,785,327,503.02/56,152.77
  6. Step 6: Final answer
    x = 49,602.67

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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.