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Finding the Fourth Proportional to 37,903.40, 56,890.11 and 19,196.58

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Solution

The fourth proportional to 37,903.40, 56,890.11 and 19,196.58 is: 28,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,903.40 : 56,890.11 = 19,196.58 : x
  2. Step 2: Convert to fraction form
    37,903.40/56,890.11 = 19,196.58/x
  3. Step 3: Cross multiply
    37,903.40x = 56,890.11 × 19,196.58
  4. Step 4: Simplify right side
    37,903.40x = 1,092,095,547.82
  5. Step 5: Solve for x
    x = 1,092,095,547.82/37,903.40
  6. Step 6: Final answer
    x = 28,812.60

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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.