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Finding the Fourth Proportional to 84,649.55, 127,000.65 and 34,733.71

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Solution

The fourth proportional to 84,649.55, 127,000.65 and 34,733.71 is: 52,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,649.55 : 127,000.65 = 34,733.71 : x
  2. Step 2: Convert to fraction form
    84,649.55/127,000.65 = 34,733.71/x
  3. Step 3: Cross multiply
    84,649.55x = 127,000.65 × 34,733.71
  4. Step 4: Simplify right side
    84,649.55x = 4,411,203,111.91
  5. Step 5: Solve for x
    x = 4,411,203,111.91/84,649.55
  6. Step 6: Final answer
    x = 52,111.36

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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.