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Finding the Fourth Proportional to 40,926,287.80, 61,389,431.70 and 40,926,287.80

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Solution

The fourth proportional to 40,926,287.80, 61,389,431.70 and 40,926,287.80 is: 61,389,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,926,287.80 : 61,389,431.70 = 40,926,287.80 : x
  2. Step 2: Convert to fraction form
    40,926,287.80/61,389,431.70 = 40,926,287.80/x
  3. Step 3: Cross multiply
    40,926,287.80x = 61,389,431.70 × 40,926,287.80
  4. Step 4: Simplify right side
    40,926,287.80x = 2,512,441,549,632,643
  5. Step 5: Solve for x
    x = 2,512,441,549,632,643/40,926,287.80
  6. Step 6: Final answer
    x = 61,389,431.70

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1.5x scale

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.