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Finding the Fourth Proportional to 58,920.32, 88,394.31 and 19,477.43

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Solution

The fourth proportional to 58,920.32, 88,394.31 and 19,477.43 is: 29,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,920.32 : 88,394.31 = 19,477.43 : x
  2. Step 2: Convert to fraction form
    58,920.32/88,394.31 = 19,477.43/x
  3. Step 3: Cross multiply
    58,920.32x = 88,394.31 × 19,477.43
  4. Step 4: Simplify right side
    58,920.32x = 1,721,693,543.45
  5. Step 5: Solve for x
    x = 1,721,693,543.45/58,920.32
  6. Step 6: Final answer
    x = 29,220.71

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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.