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Finding the Fourth Proportional to 43,573.10, 65,333.28 and 19,553

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Solution

The fourth proportional to 43,573.10, 65,333.28 and 19,553 is: 29,317.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.10 : 65,333.28 = 19,553 : x
  2. Step 2: Convert to fraction form
    43,573.10/65,333.28 = 19,553/x
  3. Step 3: Cross multiply
    43,573.10x = 65,333.28 × 19,553
  4. Step 4: Simplify right side
    43,573.10x = 1,277,461,623.84
  5. Step 5: Solve for x
    x = 1,277,461,623.84/43,573.10
  6. Step 6: Final answer
    x = 29,317.67

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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.