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Finding the Fourth Proportional to 39,865,544.70, 59,798,317.05 and 39,865,544.70

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Solution

The fourth proportional to 39,865,544.70, 59,798,317.05 and 39,865,544.70 is: 59,798,317.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,544.70 : 59,798,317.05 = 39,865,544.70 : x
  2. Step 2: Convert to fraction form
    39,865,544.70/59,798,317.05 = 39,865,544.70/x
  3. Step 3: Cross multiply
    39,865,544.70x = 59,798,317.05 × 39,865,544.70
  4. Step 4: Simplify right side
    39,865,544.70x = 2,383,892,481,341,547
  5. Step 5: Solve for x
    x = 2,383,892,481,341,547/39,865,544.70
  6. Step 6: Final answer
    x = 59,798,317.05

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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.