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Finding the Fourth Proportional to 6,674,729.90, 9,365,879.50 and 6,674,729.90

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Solution

The fourth proportional to 6,674,729.90, 9,365,879.50 and 6,674,729.90 is: 9,365,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,674,729.90 : 9,365,879.50 = 6,674,729.90 : x
  2. Step 2: Convert to fraction form
    6,674,729.90/9,365,879.50 = 6,674,729.90/x
  3. Step 3: Cross multiply
    6,674,729.90x = 9,365,879.50 × 6,674,729.90
  4. Step 4: Simplify right side
    6,674,729.90x = 62,514,715,938,447.05
  5. Step 5: Solve for x
    x = 62,514,715,938,447.05/6,674,729.90
  6. Step 6: Final answer
    x = 9,365,879.50

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1.5x scale

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.