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Finding the Fourth Proportional to 29,503.95, 40,715.92 and 16,075.21

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Solution

The fourth proportional to 29,503.95, 40,715.92 and 16,075.21 is: 22,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,503.95 : 40,715.92 = 16,075.21 : x
  2. Step 2: Convert to fraction form
    29,503.95/40,715.92 = 16,075.21/x
  3. Step 3: Cross multiply
    29,503.95x = 40,715.92 × 16,075.21
  4. Step 4: Simplify right side
    29,503.95x = 654,516,806.31
  5. Step 5: Solve for x
    x = 654,516,806.31/29,503.95
  6. Step 6: Final answer
    x = 22,184.04

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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.