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Finding the Fourth Proportional to 27,480,658.40, 41,220,987.60 and 26,850,802.40

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Solution

The fourth proportional to 27,480,658.40, 41,220,987.60 and 26,850,802.40 is: 40,276,203.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480,658.40 : 41,220,987.60 = 26,850,802.40 : x
  2. Step 2: Convert to fraction form
    27,480,658.40/41,220,987.60 = 26,850,802.40/x
  3. Step 3: Cross multiply
    27,480,658.40x = 41,220,987.60 × 26,850,802.40
  4. Step 4: Simplify right side
    27,480,658.40x = 1,106,816,592,780,450.25
  5. Step 5: Solve for x
    x = 1,106,816,592,780,450.25/27,480,658.40
  6. Step 6: Final answer
    x = 40,276,203.60

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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.