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Finding the Fourth Proportional to 23,643.80, 32,628.72 and 13,033.16

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Solution

The fourth proportional to 23,643.80, 32,628.72 and 13,033.16 is: 17,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.80 : 32,628.72 = 13,033.16 : x
  2. Step 2: Convert to fraction form
    23,643.80/32,628.72 = 13,033.16/x
  3. Step 3: Cross multiply
    23,643.80x = 32,628.72 × 13,033.16
  4. Step 4: Simplify right side
    23,643.80x = 425,255,328.36
  5. Step 5: Solve for x
    x = 425,255,328.36/23,643.80
  6. Step 6: Final answer
    x = 17,985.91

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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.