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Finding the Fourth Proportional to 57,483.52, 79,259.41 and 39,343.00

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Solution

The fourth proportional to 57,483.52, 79,259.41 and 39,343.00 is: 54,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,483.52 : 79,259.41 = 39,343.00 : x
  2. Step 2: Convert to fraction form
    57,483.52/79,259.41 = 39,343.00/x
  3. Step 3: Cross multiply
    57,483.52x = 79,259.41 × 39,343.00
  4. Step 4: Simplify right side
    57,483.52x = 3,118,302,967.27
  5. Step 5: Solve for x
    x = 3,118,302,967.27/57,483.52
  6. Step 6: Final answer
    x = 54,246.90

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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.