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Finding the Fourth Proportional to 58,549.50, 80,776.26 and 38,417.49

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Solution

The fourth proportional to 58,549.50, 80,776.26 and 38,417.49 is: 53,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,549.50 : 80,776.26 = 38,417.49 : x
  2. Step 2: Convert to fraction form
    58,549.50/80,776.26 = 38,417.49/x
  3. Step 3: Cross multiply
    58,549.50x = 80,776.26 × 38,417.49
  4. Step 4: Simplify right side
    58,549.50x = 3,103,221,160.79
  5. Step 5: Solve for x
    x = 3,103,221,160.79/58,549.50
  6. Step 6: Final answer
    x = 53,001.67

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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.