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Finding the Fourth Proportional to 23,539.48, 32,486.48 and 12,931.32

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Solution

The fourth proportional to 23,539.48, 32,486.48 and 12,931.32 is: 17,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,539.48 : 32,486.48 = 12,931.32 : x
  2. Step 2: Convert to fraction form
    23,539.48/32,486.48 = 12,931.32/x
  3. Step 3: Cross multiply
    23,539.48x = 32,486.48 × 12,931.32
  4. Step 4: Simplify right side
    23,539.48x = 420,093,068.55
  5. Step 5: Solve for x
    x = 420,093,068.55/23,539.48
  6. Step 6: Final answer
    x = 17,846.32

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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.