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Finding the Fourth Proportional to 6,935,303.79, 9,572,642.60 and 4,035,254.79

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Solution

The fourth proportional to 6,935,303.79, 9,572,642.60 and 4,035,254.79 is: 5,569,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,935,303.79 : 9,572,642.60 = 4,035,254.79 : x
  2. Step 2: Convert to fraction form
    6,935,303.79/9,572,642.60 = 4,035,254.79/x
  3. Step 3: Cross multiply
    6,935,303.79x = 9,572,642.60 × 4,035,254.79
  4. Step 4: Simplify right side
    6,935,303.79x = 38,628,051,884,431.78
  5. Step 5: Solve for x
    x = 38,628,051,884,431.78/6,935,303.79
  6. Step 6: Final answer
    x = 5,569,770.71

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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.