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Finding the Fourth Proportional to 65,075.56, 89,804.28 and 35,267.56

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Solution

The fourth proportional to 65,075.56, 89,804.28 and 35,267.56 is: 48,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,075.56 : 89,804.28 = 35,267.56 : x
  2. Step 2: Convert to fraction form
    65,075.56/89,804.28 = 35,267.56/x
  3. Step 3: Cross multiply
    65,075.56x = 89,804.28 × 35,267.56
  4. Step 4: Simplify right side
    65,075.56x = 3,167,177,833.16
  5. Step 5: Solve for x
    x = 3,167,177,833.16/65,075.56
  6. Step 6: Final answer
    x = 48,669.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.