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Finding the Fourth Proportional to 23,989.40, 35,980.03 and 6,455.32

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Solution

The fourth proportional to 23,989.40, 35,980.03 and 6,455.32 is: 9,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.40 : 35,980.03 = 6,455.32 : x
  2. Step 2: Convert to fraction form
    23,989.40/35,980.03 = 6,455.32/x
  3. Step 3: Cross multiply
    23,989.40x = 35,980.03 × 6,455.32
  4. Step 4: Simplify right side
    23,989.40x = 232,262,607.26
  5. Step 5: Solve for x
    x = 232,262,607.26/23,989.40
  6. Step 6: Final answer
    x = 9,681.88

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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.