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Finding the Fourth Proportional to 58,605.65, 80,875.47 and 31,748.68

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Solution

The fourth proportional to 58,605.65, 80,875.47 and 31,748.68 is: 43,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.65 : 80,875.47 = 31,748.68 : x
  2. Step 2: Convert to fraction form
    58,605.65/80,875.47 = 31,748.68/x
  3. Step 3: Cross multiply
    58,605.65x = 80,875.47 × 31,748.68
  4. Step 4: Simplify right side
    58,605.65x = 2,567,689,416.88
  5. Step 5: Solve for x
    x = 2,567,689,416.88/58,605.65
  6. Step 6: Final answer
    x = 43,813.00

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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.