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Finding the Fourth Proportional to 67,430.60, 93,054.13 and 37,215.94

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Solution

The fourth proportional to 67,430.60, 93,054.13 and 37,215.94 is: 51,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.60 : 93,054.13 = 37,215.94 : x
  2. Step 2: Convert to fraction form
    67,430.60/93,054.13 = 37,215.94/x
  3. Step 3: Cross multiply
    67,430.60x = 93,054.13 × 37,215.94
  4. Step 4: Simplify right side
    67,430.60x = 3,463,096,593.16
  5. Step 5: Solve for x
    x = 3,463,096,593.16/67,430.60
  6. Step 6: Final answer
    x = 51,357.94

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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.