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Finding the Fourth Proportional to 30,595.66, 45,865.44 and 11,888.30

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Solution

The fourth proportional to 30,595.66, 45,865.44 and 11,888.30 is: 17,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.66 : 45,865.44 = 11,888.30 : x
  2. Step 2: Convert to fraction form
    30,595.66/45,865.44 = 11,888.30/x
  3. Step 3: Cross multiply
    30,595.66x = 45,865.44 × 11,888.30
  4. Step 4: Simplify right side
    30,595.66x = 545,262,225.02
  5. Step 5: Solve for x
    x = 545,262,225.02/30,595.66
  6. Step 6: Final answer
    x = 17,821.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.