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Finding the Fourth Proportional to 29,567.52, 40,803 and 16,820.67

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Solution

The fourth proportional to 29,567.52, 40,803 and 16,820.67 is: 23,212.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,567.52 : 40,803 = 16,820.67 : x
  2. Step 2: Convert to fraction form
    29,567.52/40,803 = 16,820.67/x
  3. Step 3: Cross multiply
    29,567.52x = 40,803 × 16,820.67
  4. Step 4: Simplify right side
    29,567.52x = 686,333,798.01
  5. Step 5: Solve for x
    x = 686,333,798.01/29,567.52
  6. Step 6: Final answer
    x = 23,212.42

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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.