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Finding the Fourth Proportional to 67,703.40, 93,430.74 and 37,076.34

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Solution

The fourth proportional to 67,703.40, 93,430.74 and 37,076.34 is: 51,165.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,703.40 : 93,430.74 = 37,076.34 : x
  2. Step 2: Convert to fraction form
    67,703.40/93,430.74 = 37,076.34/x
  3. Step 3: Cross multiply
    67,703.40x = 93,430.74 × 37,076.34
  4. Step 4: Simplify right side
    67,703.40x = 3,464,069,882.69
  5. Step 5: Solve for x
    x = 3,464,069,882.69/67,703.40
  6. Step 6: Final answer
    x = 51,165.38

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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.