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Finding the Fourth Proportional to 28,973.40, 43,460.10 and 22,404.30

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Solution

The fourth proportional to 28,973.40, 43,460.10 and 22,404.30 is: 33,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.40 : 43,460.10 = 22,404.30 : x
  2. Step 2: Convert to fraction form
    28,973.40/43,460.10 = 22,404.30/x
  3. Step 3: Cross multiply
    28,973.40x = 43,460.10 × 22,404.30
  4. Step 4: Simplify right side
    28,973.40x = 973,693,118.43
  5. Step 5: Solve for x
    x = 973,693,118.43/28,973.40
  6. Step 6: Final answer
    x = 33,606.45

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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.