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Finding the Fourth Proportional to 61,225.66, 91,835.23 and 19,100.91

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Solution

The fourth proportional to 61,225.66, 91,835.23 and 19,100.91 is: 28,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,225.66 : 91,835.23 = 19,100.91 : x
  2. Step 2: Convert to fraction form
    61,225.66/91,835.23 = 19,100.91/x
  3. Step 3: Cross multiply
    61,225.66x = 91,835.23 × 19,100.91
  4. Step 4: Simplify right side
    61,225.66x = 1,754,136,070.92
  5. Step 5: Solve for x
    x = 1,754,136,070.92/61,225.66
  6. Step 6: Final answer
    x = 28,650.34

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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.