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Finding the Fourth Proportional to 64,182.94, 88,663.05 and 58,430.78

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Solution

The fourth proportional to 64,182.94, 88,663.05 and 58,430.78 is: 80,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,182.94 : 88,663.05 = 58,430.78 : x
  2. Step 2: Convert to fraction form
    64,182.94/88,663.05 = 58,430.78/x
  3. Step 3: Cross multiply
    64,182.94x = 88,663.05 × 58,430.78
  4. Step 4: Simplify right side
    64,182.94x = 5,180,651,390.34
  5. Step 5: Solve for x
    x = 5,180,651,390.34/64,182.94
  6. Step 6: Final answer
    x = 80,716.96

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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.