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Finding the Fourth Proportional to 73,259.02, 109,888.80 and 17,855.02

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Solution

The fourth proportional to 73,259.02, 109,888.80 and 17,855.02 is: 26,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.02 : 109,888.80 = 17,855.02 : x
  2. Step 2: Convert to fraction form
    73,259.02/109,888.80 = 17,855.02/x
  3. Step 3: Cross multiply
    73,259.02x = 109,888.80 × 17,855.02
  4. Step 4: Simplify right side
    73,259.02x = 1,962,066,721.78
  5. Step 5: Solve for x
    x = 1,962,066,721.78/73,259.02
  6. Step 6: Final answer
    x = 26,782.60

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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.