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Finding the Fourth Proportional to 23,846.40, 32,918.40 and 15,465.60

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Solution

The fourth proportional to 23,846.40, 32,918.40 and 15,465.60 is: 21,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,846.40 : 32,918.40 = 15,465.60 : x
  2. Step 2: Convert to fraction form
    23,846.40/32,918.40 = 15,465.60/x
  3. Step 3: Cross multiply
    23,846.40x = 32,918.40 × 15,465.60
  4. Step 4: Simplify right side
    23,846.40x = 509,102,807.04
  5. Step 5: Solve for x
    x = 509,102,807.04/23,846.40
  6. Step 6: Final answer
    x = 21,349.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.