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Finding the Fourth Proportional to 58,650.64, 80,885.58 and 45,733.07

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Solution

The fourth proportional to 58,650.64, 80,885.58 and 45,733.07 is: 63,070.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,650.64 : 80,885.58 = 45,733.07 : x
  2. Step 2: Convert to fraction form
    58,650.64/80,885.58 = 45,733.07/x
  3. Step 3: Cross multiply
    58,650.64x = 80,885.58 × 45,733.07
  4. Step 4: Simplify right side
    58,650.64x = 3,699,145,892.13
  5. Step 5: Solve for x
    x = 3,699,145,892.13/58,650.64
  6. Step 6: Final answer
    x = 63,070.86

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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.