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Finding the Fourth Proportional to 14,505.32, 21,746.97 and 7,477.76

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Solution

The fourth proportional to 14,505.32, 21,746.97 and 7,477.76 is: 11,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.32 : 21,746.97 = 7,477.76 : x
  2. Step 2: Convert to fraction form
    14,505.32/21,746.97 = 7,477.76/x
  3. Step 3: Cross multiply
    14,505.32x = 21,746.97 × 7,477.76
  4. Step 4: Simplify right side
    14,505.32x = 162,618,622.39
  5. Step 5: Solve for x
    x = 162,618,622.39/14,505.32
  6. Step 6: Final answer
    x = 11,210.96

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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.