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Finding the Fourth Proportional to 9,934,374.40, 14,901,561.60 and 9,346,508.80

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Solution

The fourth proportional to 9,934,374.40, 14,901,561.60 and 9,346,508.80 is: 14,019,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934,374.40 : 14,901,561.60 = 9,346,508.80 : x
  2. Step 2: Convert to fraction form
    9,934,374.40/14,901,561.60 = 9,346,508.80/x
  3. Step 3: Cross multiply
    9,934,374.40x = 14,901,561.60 × 9,346,508.80
  4. Step 4: Simplify right side
    9,934,374.40x = 139,277,576,628,142.09
  5. Step 5: Solve for x
    x = 139,277,576,628,142.09/9,934,374.40
  6. Step 6: Final answer
    x = 14,019,763.20

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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.