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Finding the Fourth Proportional to 5,583,602.70, 7,827,672.60 and 5,583,602.70

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Solution

The fourth proportional to 5,583,602.70, 7,827,672.60 and 5,583,602.70 is: 7,827,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583,602.70 : 7,827,672.60 = 5,583,602.70 : x
  2. Step 2: Convert to fraction form
    5,583,602.70/7,827,672.60 = 5,583,602.70/x
  3. Step 3: Cross multiply
    5,583,602.70x = 7,827,672.60 × 5,583,602.70
  4. Step 4: Simplify right side
    5,583,602.70x = 43,706,613,864,076.02
  5. Step 5: Solve for x
    x = 43,706,613,864,076.02/5,583,602.70
  6. Step 6: Final answer
    x = 7,827,672.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.