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Finding the Fourth Proportional to 37,325.80, 55,978.98 and 12,368.08

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Solution

The fourth proportional to 37,325.80, 55,978.98 and 12,368.08 is: 18,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,325.80 : 55,978.98 = 12,368.08 : x
  2. Step 2: Convert to fraction form
    37,325.80/55,978.98 = 12,368.08/x
  3. Step 3: Cross multiply
    37,325.80x = 55,978.98 × 12,368.08
  4. Step 4: Simplify right side
    37,325.80x = 692,352,502.96
  5. Step 5: Solve for x
    x = 692,352,502.96/37,325.80
  6. Step 6: Final answer
    x = 18,548.90

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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.