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Finding the Fourth Proportional to 75,013.58, 103,483.50 and 53,508.08

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Solution

The fourth proportional to 75,013.58, 103,483.50 and 53,508.08 is: 73,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.58 : 103,483.50 = 53,508.08 : x
  2. Step 2: Convert to fraction form
    75,013.58/103,483.50 = 53,508.08/x
  3. Step 3: Cross multiply
    75,013.58x = 103,483.50 × 53,508.08
  4. Step 4: Simplify right side
    75,013.58x = 5,537,203,396.68
  5. Step 5: Solve for x
    x = 5,537,203,396.68/75,013.58
  6. Step 6: Final answer
    x = 73,816.01

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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.