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Finding the Fourth Proportional to 32,392.36, 48,588.53 and 12,657.08

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Solution

The fourth proportional to 32,392.36, 48,588.53 and 12,657.08 is: 18,985.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,392.36 : 48,588.53 = 12,657.08 : x
  2. Step 2: Convert to fraction form
    32,392.36/48,588.53 = 12,657.08/x
  3. Step 3: Cross multiply
    32,392.36x = 48,588.53 × 12,657.08
  4. Step 4: Simplify right side
    32,392.36x = 614,988,696.17
  5. Step 5: Solve for x
    x = 614,988,696.17/32,392.36
  6. Step 6: Final answer
    x = 18,985.61

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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.