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Finding the Fourth Proportional to 8,902,427.10, 13,353,640.65 and 8,807,948.70

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Solution

The fourth proportional to 8,902,427.10, 13,353,640.65 and 8,807,948.70 is: 13,211,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,427.10 : 13,353,640.65 = 8,807,948.70 : x
  2. Step 2: Convert to fraction form
    8,902,427.10/13,353,640.65 = 8,807,948.70/x
  3. Step 3: Cross multiply
    8,902,427.10x = 13,353,640.65 × 8,807,948.70
  4. Step 4: Simplify right side
    8,902,427.10x = 117,618,181,803,434.64
  5. Step 5: Solve for x
    x = 117,618,181,803,434.64/8,902,427.10
  6. Step 6: Final answer
    x = 13,211,923.05

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Double scale
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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.