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Finding the Fourth Proportional to 34,053.76, 46,989.04 and 19,146.88

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Solution

The fourth proportional to 34,053.76, 46,989.04 and 19,146.88 is: 26,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,053.76 : 46,989.04 = 19,146.88 : x
  2. Step 2: Convert to fraction form
    34,053.76/46,989.04 = 19,146.88/x
  3. Step 3: Cross multiply
    34,053.76x = 46,989.04 × 19,146.88
  4. Step 4: Simplify right side
    34,053.76x = 899,693,510.20
  5. Step 5: Solve for x
    x = 899,693,510.20/34,053.76
  6. Step 6: Final answer
    x = 26,419.80

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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.