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Finding the Fourth Proportional to 30,456.90, 45,709.71 and 29,484.90

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Solution

The fourth proportional to 30,456.90, 45,709.71 and 29,484.90 is: 44,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456.90 : 45,709.71 = 29,484.90 : x
  2. Step 2: Convert to fraction form
    30,456.90/45,709.71 = 29,484.90/x
  3. Step 3: Cross multiply
    30,456.90x = 45,709.71 × 29,484.90
  4. Step 4: Simplify right side
    30,456.90x = 1,347,746,228.38
  5. Step 5: Solve for x
    x = 1,347,746,228.38/30,456.90
  6. Step 6: Final answer
    x = 44,250.93

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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.