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Finding the Fourth Proportional to 65,667.40, 98,343.16 and 37,502.08

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Solution

The fourth proportional to 65,667.40, 98,343.16 and 37,502.08 is: 56,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,667.40 : 98,343.16 = 37,502.08 : x
  2. Step 2: Convert to fraction form
    65,667.40/98,343.16 = 37,502.08/x
  3. Step 3: Cross multiply
    65,667.40x = 98,343.16 × 37,502.08
  4. Step 4: Simplify right side
    65,667.40x = 3,688,073,053.77
  5. Step 5: Solve for x
    x = 3,688,073,053.77/65,667.40
  6. Step 6: Final answer
    x = 56,162.92

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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.