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Finding the Fourth Proportional to 30,971,730.80, 46,463,797.56 and 17,344,256.80

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Solution

The fourth proportional to 30,971,730.80, 46,463,797.56 and 17,344,256.80 is: 26,019,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,971,730.80 : 46,463,797.56 = 17,344,256.80 : x
  2. Step 2: Convert to fraction form
    30,971,730.80/46,463,797.56 = 17,344,256.80/x
  3. Step 3: Cross multiply
    30,971,730.80x = 46,463,797.56 × 17,344,256.80
  4. Step 4: Simplify right side
    30,971,730.80x = 805,880,036,783,853.50
  5. Step 5: Solve for x
    x = 805,880,036,783,853.50/30,971,730.80
  6. Step 6: Final answer
    x = 26,019,857.98

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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.