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Finding the Fourth Proportional to 23,703.99, 32,707.22 and 15,315.63

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Solution

The fourth proportional to 23,703.99, 32,707.22 and 15,315.63 is: 21,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,703.99 : 32,707.22 = 15,315.63 : x
  2. Step 2: Convert to fraction form
    23,703.99/32,707.22 = 15,315.63/x
  3. Step 3: Cross multiply
    23,703.99x = 32,707.22 × 15,315.63
  4. Step 4: Simplify right side
    23,703.99x = 500,931,679.85
  5. Step 5: Solve for x
    x = 500,931,679.85/23,703.99
  6. Step 6: Final answer
    x = 21,132.80

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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.