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Finding the Fourth Proportional to 39,626,201.20, 55,363,307.60 and 39,626,201.20

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Solution

The fourth proportional to 39,626,201.20, 55,363,307.60 and 39,626,201.20 is: 55,363,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626,201.20 : 55,363,307.60 = 39,626,201.20 : x
  2. Step 2: Convert to fraction form
    39,626,201.20/55,363,307.60 = 39,626,201.20/x
  3. Step 3: Cross multiply
    39,626,201.20x = 55,363,307.60 × 39,626,201.20
  4. Step 4: Simplify right side
    39,626,201.20x = 2,193,837,566,055,089.25
  5. Step 5: Solve for x
    x = 2,193,837,566,055,089.25/39,626,201.20
  6. Step 6: Final answer
    x = 55,363,307.60

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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.