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Finding the Fourth Proportional to 70,049.81, 105,075.63 and 23,302.69

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Solution

The fourth proportional to 70,049.81, 105,075.63 and 23,302.69 is: 34,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,049.81 : 105,075.63 = 23,302.69 : x
  2. Step 2: Convert to fraction form
    70,049.81/105,075.63 = 23,302.69/x
  3. Step 3: Cross multiply
    70,049.81x = 105,075.63 × 23,302.69
  4. Step 4: Simplify right side
    70,049.81x = 2,448,544,569.76
  5. Step 5: Solve for x
    x = 2,448,544,569.76/70,049.81
  6. Step 6: Final answer
    x = 34,954.33

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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.