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Finding the Fourth Proportional to 61,175.66, 84,430.83 and 34,319.88

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Solution

The fourth proportional to 61,175.66, 84,430.83 and 34,319.88 is: 47,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175.66 : 84,430.83 = 34,319.88 : x
  2. Step 2: Convert to fraction form
    61,175.66/84,430.83 = 34,319.88/x
  3. Step 3: Cross multiply
    61,175.66x = 84,430.83 × 34,319.88
  4. Step 4: Simplify right side
    61,175.66x = 2,897,655,953.90
  5. Step 5: Solve for x
    x = 2,897,655,953.90/61,175.66
  6. Step 6: Final answer
    x = 47,366.16

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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.