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Finding the Fourth Proportional to 61,602.86, 85,012.44 and 34,008.39

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Solution

The fourth proportional to 61,602.86, 85,012.44 and 34,008.39 is: 46,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.86 : 85,012.44 = 34,008.39 : x
  2. Step 2: Convert to fraction form
    61,602.86/85,012.44 = 34,008.39/x
  3. Step 3: Cross multiply
    61,602.86x = 85,012.44 × 34,008.39
  4. Step 4: Simplify right side
    61,602.86x = 2,891,136,086.84
  5. Step 5: Solve for x
    x = 2,891,136,086.84/61,602.86
  6. Step 6: Final answer
    x = 46,931.85

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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.