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Finding the Fourth Proportional to 15,075.71, 22,596.55 and 7,275.41

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Solution

The fourth proportional to 15,075.71, 22,596.55 and 7,275.41 is: 10,904.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.71 : 22,596.55 = 7,275.41 : x
  2. Step 2: Convert to fraction form
    15,075.71/22,596.55 = 7,275.41/x
  3. Step 3: Cross multiply
    15,075.71x = 22,596.55 × 7,275.41
  4. Step 4: Simplify right side
    15,075.71x = 164,399,165.84
  5. Step 5: Solve for x
    x = 164,399,165.84/15,075.71
  6. Step 6: Final answer
    x = 10,904.90

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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.