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Finding the Fourth Proportional to 15,880.32, 23,801.04 and 15,491.52

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Solution

The fourth proportional to 15,880.32, 23,801.04 and 15,491.52 is: 23,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.32 : 23,801.04 = 15,491.52 : x
  2. Step 2: Convert to fraction form
    15,880.32/23,801.04 = 15,491.52/x
  3. Step 3: Cross multiply
    15,880.32x = 23,801.04 × 15,491.52
  4. Step 4: Simplify right side
    15,880.32x = 368,714,287.18
  5. Step 5: Solve for x
    x = 368,714,287.18/15,880.32
  6. Step 6: Final answer
    x = 23,218.32

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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.