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Finding the Fourth Proportional to 5,779,967.80, 8,669,951.70 and 5,425,673.80

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Solution

The fourth proportional to 5,779,967.80, 8,669,951.70 and 5,425,673.80 is: 8,138,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779,967.80 : 8,669,951.70 = 5,425,673.80 : x
  2. Step 2: Convert to fraction form
    5,779,967.80/8,669,951.70 = 5,425,673.80/x
  3. Step 3: Cross multiply
    5,779,967.80x = 8,669,951.70 × 5,425,673.80
  4. Step 4: Simplify right side
    5,779,967.80x = 47,040,329,785,955.45
  5. Step 5: Solve for x
    x = 47,040,329,785,955.45/5,779,967.80
  6. Step 6: Final answer
    x = 8,138,510.70

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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.