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Finding the Fourth Proportional to 5,262,335.07, 7,893,502.89 and 1,273,247.07

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Solution

The fourth proportional to 5,262,335.07, 7,893,502.89 and 1,273,247.07 is: 1,909,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262,335.07 : 7,893,502.89 = 1,273,247.07 : x
  2. Step 2: Convert to fraction form
    5,262,335.07/7,893,502.89 = 1,273,247.07/x
  3. Step 3: Cross multiply
    5,262,335.07x = 7,893,502.89 × 1,273,247.07
  4. Step 4: Simplify right side
    5,262,335.07x = 10,050,379,426,729.03
  5. Step 5: Solve for x
    x = 10,050,379,426,729.03/5,262,335.07
  6. Step 6: Final answer
    x = 1,909,870.67

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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.