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Finding the Fourth Proportional to 23,295.88, 32,148.88 and 12,686.08

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Solution

The fourth proportional to 23,295.88, 32,148.88 and 12,686.08 is: 17,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,295.88 : 32,148.88 = 12,686.08 : x
  2. Step 2: Convert to fraction form
    23,295.88/32,148.88 = 12,686.08/x
  3. Step 3: Cross multiply
    23,295.88x = 32,148.88 × 12,686.08
  4. Step 4: Simplify right side
    23,295.88x = 407,843,263.59
  5. Step 5: Solve for x
    x = 407,843,263.59/23,295.88
  6. Step 6: Final answer
    x = 17,507.10

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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.