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Finding the Fourth Proportional to 35,386.98, 53,100.98 and 17,858.18

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Solution

The fourth proportional to 35,386.98, 53,100.98 and 17,858.18 is: 26,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,386.98 : 53,100.98 = 17,858.18 : x
  2. Step 2: Convert to fraction form
    35,386.98/53,100.98 = 17,858.18/x
  3. Step 3: Cross multiply
    35,386.98x = 53,100.98 × 17,858.18
  4. Step 4: Simplify right side
    35,386.98x = 948,286,859.02
  5. Step 5: Solve for x
    x = 948,286,859.02/35,386.98
  6. Step 6: Final answer
    x = 26,797.62

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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.