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Finding the Fourth Proportional to 25,845,047.80, 38,767,571.70 and 25,347,383.80

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Solution

The fourth proportional to 25,845,047.80, 38,767,571.70 and 25,347,383.80 is: 38,021,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845,047.80 : 38,767,571.70 = 25,347,383.80 : x
  2. Step 2: Convert to fraction form
    25,845,047.80/38,767,571.70 = 25,347,383.80/x
  3. Step 3: Cross multiply
    25,845,047.80x = 38,767,571.70 × 25,347,383.80
  4. Step 4: Simplify right side
    25,845,047.80x = 982,656,518,873,918.62
  5. Step 5: Solve for x
    x = 982,656,518,873,918.62/25,845,047.80
  6. Step 6: Final answer
    x = 38,021,075.70

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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.