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Finding the Fourth Proportional to 84,953.52, 127,445.63 and 35,005.82

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Solution

The fourth proportional to 84,953.52, 127,445.63 and 35,005.82 is: 52,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,953.52 : 127,445.63 = 35,005.82 : x
  2. Step 2: Convert to fraction form
    84,953.52/127,445.63 = 35,005.82/x
  3. Step 3: Cross multiply
    84,953.52x = 127,445.63 × 35,005.82
  4. Step 4: Simplify right side
    84,953.52x = 4,461,337,971.31
  5. Step 5: Solve for x
    x = 4,461,337,971.31/84,953.52
  6. Step 6: Final answer
    x = 52,515.05

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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.