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Finding the Fourth Proportional to 53,269.90, 73,509.96 and 30,592.90

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Solution

The fourth proportional to 53,269.90, 73,509.96 and 30,592.90 is: 42,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.90 : 73,509.96 = 30,592.90 : x
  2. Step 2: Convert to fraction form
    53,269.90/73,509.96 = 30,592.90/x
  3. Step 3: Cross multiply
    53,269.90x = 73,509.96 × 30,592.90
  4. Step 4: Simplify right side
    53,269.90x = 2,248,882,855.28
  5. Step 5: Solve for x
    x = 2,248,882,855.28/53,269.90
  6. Step 6: Final answer
    x = 42,216.77

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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.