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Finding the Fourth Proportional to 29,693.51, 40,977.06 and 16,264.99

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Solution

The fourth proportional to 29,693.51, 40,977.06 and 16,264.99 is: 22,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,693.51 : 40,977.06 = 16,264.99 : x
  2. Step 2: Convert to fraction form
    29,693.51/40,977.06 = 16,264.99/x
  3. Step 3: Cross multiply
    29,693.51x = 40,977.06 × 16,264.99
  4. Step 4: Simplify right side
    29,693.51x = 666,491,230.86
  5. Step 5: Solve for x
    x = 666,491,230.86/29,693.51
  6. Step 6: Final answer
    x = 22,445.69

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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.