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Finding the Fourth Proportional to 32,687.53, 48,988.20 and 12,955.32

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Solution

The fourth proportional to 32,687.53, 48,988.20 and 12,955.32 is: 19,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.53 : 48,988.20 = 12,955.32 : x
  2. Step 2: Convert to fraction form
    32,687.53/48,988.20 = 12,955.32/x
  3. Step 3: Cross multiply
    32,687.53x = 48,988.20 × 12,955.32
  4. Step 4: Simplify right side
    32,687.53x = 634,657,807.22
  5. Step 5: Solve for x
    x = 634,657,807.22/32,687.53
  6. Step 6: Final answer
    x = 19,415.90

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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.