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Finding the Fourth Proportional to 46,980,134.40, 65,839,372.80 and 46,980,134.40

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Solution

The fourth proportional to 46,980,134.40, 65,839,372.80 and 46,980,134.40 is: 65,839,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,980,134.40 : 65,839,372.80 = 46,980,134.40 : x
  2. Step 2: Convert to fraction form
    46,980,134.40/65,839,372.80 = 46,980,134.40/x
  3. Step 3: Cross multiply
    46,980,134.40x = 65,839,372.80 × 46,980,134.40
  4. Step 4: Simplify right side
    46,980,134.40x = 3,093,142,582,955,704
  5. Step 5: Solve for x
    x = 3,093,142,582,955,704/46,980,134.40
  6. Step 6: Final answer
    x = 65,839,372.80

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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.