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Finding the Fourth Proportional to 51,602.90, 77,404.35 and 22,021.70

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Solution

The fourth proportional to 51,602.90, 77,404.35 and 22,021.70 is: 33,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602.90 : 77,404.35 = 22,021.70 : x
  2. Step 2: Convert to fraction form
    51,602.90/77,404.35 = 22,021.70/x
  3. Step 3: Cross multiply
    51,602.90x = 77,404.35 × 22,021.70
  4. Step 4: Simplify right side
    51,602.90x = 1,704,575,374.40
  5. Step 5: Solve for x
    x = 1,704,575,374.40/51,602.90
  6. Step 6: Final answer
    x = 33,032.55

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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.