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Finding the Fourth Proportional to 56,150.76, 77,495.56 and 54,304.57

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Solution

The fourth proportional to 56,150.76, 77,495.56 and 54,304.57 is: 74,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,150.76 : 77,495.56 = 54,304.57 : x
  2. Step 2: Convert to fraction form
    56,150.76/77,495.56 = 54,304.57/x
  3. Step 3: Cross multiply
    56,150.76x = 77,495.56 × 54,304.57
  4. Step 4: Simplify right side
    56,150.76x = 4,208,362,733.21
  5. Step 5: Solve for x
    x = 4,208,362,733.21/56,150.76
  6. Step 6: Final answer
    x = 74,947.56

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Double scale
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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.