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Finding the Fourth Proportional to 58,781.40, 88,178.25 and 19,341.63

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Solution

The fourth proportional to 58,781.40, 88,178.25 and 19,341.63 is: 29,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.40 : 88,178.25 = 19,341.63 : x
  2. Step 2: Convert to fraction form
    58,781.40/88,178.25 = 19,341.63/x
  3. Step 3: Cross multiply
    58,781.40x = 88,178.25 × 19,341.63
  4. Step 4: Simplify right side
    58,781.40x = 1,705,511,085.55
  5. Step 5: Solve for x
    x = 1,705,511,085.55/58,781.40
  6. Step 6: Final answer
    x = 29,014.47

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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.