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Finding the Fourth Proportional to 29,062.50, 40,106.25 and 15,814.50

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Solution

The fourth proportional to 29,062.50, 40,106.25 and 15,814.50 is: 21,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,062.50 : 40,106.25 = 15,814.50 : x
  2. Step 2: Convert to fraction form
    29,062.50/40,106.25 = 15,814.50/x
  3. Step 3: Cross multiply
    29,062.50x = 40,106.25 × 15,814.50
  4. Step 4: Simplify right side
    29,062.50x = 634,260,290.63
  5. Step 5: Solve for x
    x = 634,260,290.63/29,062.50
  6. Step 6: Final answer
    x = 21,824.01

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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.