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Finding the Fourth Proportional to 16,774.78, 25,071.78 and 14,649.74

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Solution

The fourth proportional to 16,774.78, 25,071.78 and 14,649.74 is: 21,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.78 : 25,071.78 = 14,649.74 : x
  2. Step 2: Convert to fraction form
    16,774.78/25,071.78 = 14,649.74/x
  3. Step 3: Cross multiply
    16,774.78x = 25,071.78 × 14,649.74
  4. Step 4: Simplify right side
    16,774.78x = 367,295,058.34
  5. Step 5: Solve for x
    x = 367,295,058.34/16,774.78
  6. Step 6: Final answer
    x = 21,895.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.