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Finding the Fourth Proportional to 9,253,313.03, 12,769,970.76 and 5,123,343.96

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Solution

The fourth proportional to 9,253,313.03, 12,769,970.76 and 5,123,343.96 is: 7,070,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253,313.03 : 12,769,970.76 = 5,123,343.96 : x
  2. Step 2: Convert to fraction form
    9,253,313.03/12,769,970.76 = 5,123,343.96/x
  3. Step 3: Cross multiply
    9,253,313.03x = 12,769,970.76 × 5,123,343.96
  4. Step 4: Simplify right side
    9,253,313.03x = 65,424,952,562,622.61
  5. Step 5: Solve for x
    x = 65,424,952,562,622.61/9,253,313.03
  6. Step 6: Final answer
    x = 7,070,435.46

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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.