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Finding the Fourth Proportional to 57,525.40, 79,384.89 and 32,374.90

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Solution

The fourth proportional to 57,525.40, 79,384.89 and 32,374.90 is: 44,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525.40 : 79,384.89 = 32,374.90 : x
  2. Step 2: Convert to fraction form
    57,525.40/79,384.89 = 32,374.90/x
  3. Step 3: Cross multiply
    57,525.40x = 79,384.89 × 32,374.90
  4. Step 4: Simplify right side
    57,525.40x = 2,570,077,875.26
  5. Step 5: Solve for x
    x = 2,570,077,875.26/57,525.40
  6. Step 6: Final answer
    x = 44,677.27

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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.