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Finding the Fourth Proportional to 17,802.16, 26,703.24 and 16,719.60

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Solution

The fourth proportional to 17,802.16, 26,703.24 and 16,719.60 is: 25,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.16 : 26,703.24 = 16,719.60 : x
  2. Step 2: Convert to fraction form
    17,802.16/26,703.24 = 16,719.60/x
  3. Step 3: Cross multiply
    17,802.16x = 26,703.24 × 16,719.60
  4. Step 4: Simplify right side
    17,802.16x = 446,467,491.50
  5. Step 5: Solve for x
    x = 446,467,491.50/17,802.16
  6. Step 6: Final answer
    x = 25,079.40

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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.