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Finding the Fourth Proportional to 70,883.88, 97,860.48 and 47,042.88

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Solution

The fourth proportional to 70,883.88, 97,860.48 and 47,042.88 is: 64,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.88 : 97,860.48 = 47,042.88 : x
  2. Step 2: Convert to fraction form
    70,883.88/97,860.48 = 47,042.88/x
  3. Step 3: Cross multiply
    70,883.88x = 97,860.48 × 47,042.88
  4. Step 4: Simplify right side
    70,883.88x = 4,603,638,817.38
  5. Step 5: Solve for x
    x = 4,603,638,817.38/70,883.88
  6. Step 6: Final answer
    x = 64,946.20

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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.