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Finding the Fourth Proportional to 34,368.08, 47,428.04 and 19,464.08

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Solution

The fourth proportional to 34,368.08, 47,428.04 and 19,464.08 is: 26,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,368.08 : 47,428.04 = 19,464.08 : x
  2. Step 2: Convert to fraction form
    34,368.08/47,428.04 = 19,464.08/x
  3. Step 3: Cross multiply
    34,368.08x = 47,428.04 × 19,464.08
  4. Step 4: Simplify right side
    34,368.08x = 923,143,164.80
  5. Step 5: Solve for x
    x = 923,143,164.80/34,368.08
  6. Step 6: Final answer
    x = 26,860.48

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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.