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Finding the Fourth Proportional to 58,452.93, 87,689.70 and 19,003.08

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Solution

The fourth proportional to 58,452.93, 87,689.70 and 19,003.08 is: 28,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452.93 : 87,689.70 = 19,003.08 : x
  2. Step 2: Convert to fraction form
    58,452.93/87,689.70 = 19,003.08/x
  3. Step 3: Cross multiply
    58,452.93x = 87,689.70 × 19,003.08
  4. Step 4: Simplify right side
    58,452.93x = 1,666,374,384.28
  5. Step 5: Solve for x
    x = 1,666,374,384.28/58,452.93
  6. Step 6: Final answer
    x = 28,507.97

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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.