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Finding the Fourth Proportional to 7,047,693.10, 9,845,512.70 and 7,047,693.10

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Solution

The fourth proportional to 7,047,693.10, 9,845,512.70 and 7,047,693.10 is: 9,845,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,693.10 : 9,845,512.70 = 7,047,693.10 : x
  2. Step 2: Convert to fraction form
    7,047,693.10/9,845,512.70 = 7,047,693.10/x
  3. Step 3: Cross multiply
    7,047,693.10x = 9,845,512.70 × 7,047,693.10
  4. Step 4: Simplify right side
    7,047,693.10x = 69,388,151,921,752.36
  5. Step 5: Solve for x
    x = 69,388,151,921,752.36/7,047,693.10
  6. Step 6: Final answer
    x = 9,845,512.70

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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.