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Finding the Fourth Proportional to 9,483,356.80, 14,183,044.80 and 7,971,702.40

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Solution

The fourth proportional to 9,483,356.80, 14,183,044.80 and 7,971,702.40 is: 11,922,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483,356.80 : 14,183,044.80 = 7,971,702.40 : x
  2. Step 2: Convert to fraction form
    9,483,356.80/14,183,044.80 = 7,971,702.40/x
  3. Step 3: Cross multiply
    9,483,356.80x = 14,183,044.80 × 7,971,702.40
  4. Step 4: Simplify right side
    9,483,356.80x = 113,063,012,271,467.53
  5. Step 5: Solve for x
    x = 113,063,012,271,467.53/9,483,356.80
  6. Step 6: Final answer
    x = 11,922,256.50

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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.