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Finding the Fourth Proportional to 58,452.68, 87,657.48 and 21,002.74

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Solution

The fourth proportional to 58,452.68, 87,657.48 and 21,002.74 is: 31,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452.68 : 87,657.48 = 21,002.74 : x
  2. Step 2: Convert to fraction form
    58,452.68/87,657.48 = 21,002.74/x
  3. Step 3: Cross multiply
    58,452.68x = 87,657.48 × 21,002.74
  4. Step 4: Simplify right side
    58,452.68x = 1,841,047,261.50
  5. Step 5: Solve for x
    x = 1,841,047,261.50/58,452.68
  6. Step 6: Final answer
    x = 31,496.37

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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.