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Finding the Fourth Proportional to 51,603.60, 77,347.80 and 29,427.60

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Solution

The fourth proportional to 51,603.60, 77,347.80 and 29,427.60 is: 44,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.60 : 77,347.80 = 29,427.60 : x
  2. Step 2: Convert to fraction form
    51,603.60/77,347.80 = 29,427.60/x
  3. Step 3: Cross multiply
    51,603.60x = 77,347.80 × 29,427.60
  4. Step 4: Simplify right side
    51,603.60x = 2,276,160,119.28
  5. Step 5: Solve for x
    x = 2,276,160,119.28/51,603.60
  6. Step 6: Final answer
    x = 44,108.55

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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.