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Finding the Fourth Proportional to 60,075.56, 90,112.47 and 17,954.70

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Solution

The fourth proportional to 60,075.56, 90,112.47 and 17,954.70 is: 26,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,075.56 : 90,112.47 = 17,954.70 : x
  2. Step 2: Convert to fraction form
    60,075.56/90,112.47 = 17,954.70/x
  3. Step 3: Cross multiply
    60,075.56x = 90,112.47 × 17,954.70
  4. Step 4: Simplify right side
    60,075.56x = 1,617,942,365.11
  5. Step 5: Solve for x
    x = 1,617,942,365.11/60,075.56
  6. Step 6: Final answer
    x = 26,931.79

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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.