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Finding the Fourth Proportional to 8,609,346.76, 11,881,437.58 and 4,741,866.48

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Solution

The fourth proportional to 8,609,346.76, 11,881,437.58 and 4,741,866.48 is: 6,544,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,346.76 : 11,881,437.58 = 4,741,866.48 : x
  2. Step 2: Convert to fraction form
    8,609,346.76/11,881,437.58 = 4,741,866.48/x
  3. Step 3: Cross multiply
    8,609,346.76x = 11,881,437.58 × 4,741,866.48
  4. Step 4: Simplify right side
    8,609,346.76x = 56,340,190,594,814.32
  5. Step 5: Solve for x
    x = 56,340,190,594,814.32/8,609,346.76
  6. Step 6: Final answer
    x = 6,544,072.64

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Double scale
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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.