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Finding the Fourth Proportional to 9,934,610.40, 14,901,915.60 and 9,346,744.80

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Solution

The fourth proportional to 9,934,610.40, 14,901,915.60 and 9,346,744.80 is: 14,020,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934,610.40 : 14,901,915.60 = 9,346,744.80 : x
  2. Step 2: Convert to fraction form
    9,934,610.40/14,901,915.60 = 9,346,744.80/x
  3. Step 3: Cross multiply
    9,934,610.40x = 14,901,915.60 × 9,346,744.80
  4. Step 4: Simplify right side
    9,934,610.40x = 139,284,402,144,338.89
  5. Step 5: Solve for x
    x = 139,284,402,144,338.89/9,934,610.40
  6. Step 6: Final answer
    x = 14,020,117.20

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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.