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Finding the Fourth Proportional to 37,543.97, 51,809.97 and 20,547.86

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Solution

The fourth proportional to 37,543.97, 51,809.97 and 20,547.86 is: 28,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.97 : 51,809.97 = 20,547.86 : x
  2. Step 2: Convert to fraction form
    37,543.97/51,809.97 = 20,547.86/x
  3. Step 3: Cross multiply
    37,543.97x = 51,809.97 × 20,547.86
  4. Step 4: Simplify right side
    37,543.97x = 1,064,584,139.69
  5. Step 5: Solve for x
    x = 1,064,584,139.69/37,543.97
  6. Step 6: Final answer
    x = 28,355.67

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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.