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Finding the Fourth Proportional to 15,057.04, 20,777.06 and 8,341

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Solution

The fourth proportional to 15,057.04, 20,777.06 and 8,341 is: 11,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.04 : 20,777.06 = 8,341 : x
  2. Step 2: Convert to fraction form
    15,057.04/20,777.06 = 8,341/x
  3. Step 3: Cross multiply
    15,057.04x = 20,777.06 × 8,341
  4. Step 4: Simplify right side
    15,057.04x = 173,301,457.46
  5. Step 5: Solve for x
    x = 173,301,457.46/15,057.04
  6. Step 6: Final answer
    x = 11,509.66

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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.