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Finding the Fourth Proportional to 61,255.04, 84,530.88 and 34,397.76

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Solution

The fourth proportional to 61,255.04, 84,530.88 and 34,397.76 is: 47,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,255.04 : 84,530.88 = 34,397.76 : x
  2. Step 2: Convert to fraction form
    61,255.04/84,530.88 = 34,397.76/x
  3. Step 3: Cross multiply
    61,255.04x = 84,530.88 × 34,397.76
  4. Step 4: Simplify right side
    61,255.04x = 2,907,672,922.83
  5. Step 5: Solve for x
    x = 2,907,672,922.83/61,255.04
  6. Step 6: Final answer
    x = 47,468.31

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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.