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Finding the Fourth Proportional to 29,496.48, 40,746.42 and 20,539.50

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Solution

The fourth proportional to 29,496.48, 40,746.42 and 20,539.50 is: 28,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,496.48 : 40,746.42 = 20,539.50 : x
  2. Step 2: Convert to fraction form
    29,496.48/40,746.42 = 20,539.50/x
  3. Step 3: Cross multiply
    29,496.48x = 40,746.42 × 20,539.50
  4. Step 4: Simplify right side
    29,496.48x = 836,911,093.59
  5. Step 5: Solve for x
    x = 836,911,093.59/29,496.48
  6. Step 6: Final answer
    x = 28,373.25

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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.