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Finding the Fourth Proportional to 18,598.17, 25,669.95 and 10,645.01

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Solution

The fourth proportional to 18,598.17, 25,669.95 and 10,645.01 is: 14,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.17 : 25,669.95 = 10,645.01 : x
  2. Step 2: Convert to fraction form
    18,598.17/25,669.95 = 10,645.01/x
  3. Step 3: Cross multiply
    18,598.17x = 25,669.95 × 10,645.01
  4. Step 4: Simplify right side
    18,598.17x = 273,256,802.44
  5. Step 5: Solve for x
    x = 273,256,802.44/18,598.17
  6. Step 6: Final answer
    x = 14,692.67

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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.