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Finding the Fourth Proportional to 29,219.40, 43,804.80 and 15,368.40

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Solution

The fourth proportional to 29,219.40, 43,804.80 and 15,368.40 is: 23,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.40 : 43,804.80 = 15,368.40 : x
  2. Step 2: Convert to fraction form
    29,219.40/43,804.80 = 15,368.40/x
  3. Step 3: Cross multiply
    29,219.40x = 43,804.80 × 15,368.40
  4. Step 4: Simplify right side
    29,219.40x = 673,209,688.32
  5. Step 5: Solve for x
    x = 673,209,688.32/29,219.40
  6. Step 6: Final answer
    x = 23,039.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.