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Finding the Fourth Proportional to 29,505.64, 40,697.52 and 17,559.76

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Solution

The fourth proportional to 29,505.64, 40,697.52 and 17,559.76 is: 24,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,505.64 : 40,697.52 = 17,559.76 : x
  2. Step 2: Convert to fraction form
    29,505.64/40,697.52 = 17,559.76/x
  3. Step 3: Cross multiply
    29,505.64x = 40,697.52 × 17,559.76
  4. Step 4: Simplify right side
    29,505.64x = 714,638,683.80
  5. Step 5: Solve for x
    x = 714,638,683.80/29,505.64
  6. Step 6: Final answer
    x = 24,220.41

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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.