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Finding the Fourth Proportional to 60,668.80, 83,774.64 and 38,045.84

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Solution

The fourth proportional to 60,668.80, 83,774.64 and 38,045.84 is: 52,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,668.80 : 83,774.64 = 38,045.84 : x
  2. Step 2: Convert to fraction form
    60,668.80/83,774.64 = 38,045.84/x
  3. Step 3: Cross multiply
    60,668.80x = 83,774.64 × 38,045.84
  4. Step 4: Simplify right side
    60,668.80x = 3,187,276,549.50
  5. Step 5: Solve for x
    x = 3,187,276,549.50/60,668.80
  6. Step 6: Final answer
    x = 52,535.68

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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.