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Finding the Fourth Proportional to 58,060.80, 86,918.40 and 51,148.80

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Solution

The fourth proportional to 58,060.80, 86,918.40 and 51,148.80 is: 76,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,060.80 : 86,918.40 = 51,148.80 : x
  2. Step 2: Convert to fraction form
    58,060.80/86,918.40 = 51,148.80/x
  3. Step 3: Cross multiply
    58,060.80x = 86,918.40 × 51,148.80
  4. Step 4: Simplify right side
    58,060.80x = 4,445,771,857.92
  5. Step 5: Solve for x
    x = 4,445,771,857.92/58,060.80
  6. Step 6: Final answer
    x = 76,570.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.