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Finding the Fourth Proportional to 30,898.51, 45,950.25 and 29,914.36

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Solution

The fourth proportional to 30,898.51, 45,950.25 and 29,914.36 is: 44,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.51 : 45,950.25 = 29,914.36 : x
  2. Step 2: Convert to fraction form
    30,898.51/45,950.25 = 29,914.36/x
  3. Step 3: Cross multiply
    30,898.51x = 45,950.25 × 29,914.36
  4. Step 4: Simplify right side
    30,898.51x = 1,374,572,320.59
  5. Step 5: Solve for x
    x = 1,374,572,320.59/30,898.51
  6. Step 6: Final answer
    x = 44,486.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.