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Finding the Fourth Proportional to 57,054.40, 85,624.80 and 37,326.40

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Solution

The fourth proportional to 57,054.40, 85,624.80 and 37,326.40 is: 56,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.40 : 85,624.80 = 37,326.40 : x
  2. Step 2: Convert to fraction form
    57,054.40/85,624.80 = 37,326.40/x
  3. Step 3: Cross multiply
    57,054.40x = 85,624.80 × 37,326.40
  4. Step 4: Simplify right side
    57,054.40x = 3,196,065,534.72
  5. Step 5: Solve for x
    x = 3,196,065,534.72/57,054.40
  6. Step 6: Final answer
    x = 56,017.86

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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.