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Finding the Fourth Proportional to 23,678.55, 35,510.74 and 19,508.22

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Solution

The fourth proportional to 23,678.55, 35,510.74 and 19,508.22 is: 29,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.55 : 35,510.74 = 19,508.22 : x
  2. Step 2: Convert to fraction form
    23,678.55/35,510.74 = 19,508.22/x
  3. Step 3: Cross multiply
    23,678.55x = 35,510.74 × 19,508.22
  4. Step 4: Simplify right side
    23,678.55x = 692,751,328.28
  5. Step 5: Solve for x
    x = 692,751,328.28/23,678.55
  6. Step 6: Final answer
    x = 29,256.49

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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.