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Finding the Fourth Proportional to 57,473.40, 79,312.52 and 32,322.90

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Solution

The fourth proportional to 57,473.40, 79,312.52 and 32,322.90 is: 44,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.40 : 79,312.52 = 32,322.90 : x
  2. Step 2: Convert to fraction form
    57,473.40/79,312.52 = 32,322.90/x
  3. Step 3: Cross multiply
    57,473.40x = 79,312.52 × 32,322.90
  4. Step 4: Simplify right side
    57,473.40x = 2,563,610,652.71
  5. Step 5: Solve for x
    x = 2,563,610,652.71/57,473.40
  6. Step 6: Final answer
    x = 44,605.17

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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.