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Finding the Fourth Proportional to 23,989.59, 35,987.40 and 12,881.01

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Solution

The fourth proportional to 23,989.59, 35,987.40 and 12,881.01 is: 19,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.59 : 35,987.40 = 12,881.01 : x
  2. Step 2: Convert to fraction form
    23,989.59/35,987.40 = 12,881.01/x
  3. Step 3: Cross multiply
    23,989.59x = 35,987.40 × 12,881.01
  4. Step 4: Simplify right side
    23,989.59x = 463,554,059.27
  5. Step 5: Solve for x
    x = 463,554,059.27/23,989.59
  6. Step 6: Final answer
    x = 19,323.13

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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.