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Finding the Fourth Proportional to 58,858.10, 88,287.15 and 21,460.40

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Solution

The fourth proportional to 58,858.10, 88,287.15 and 21,460.40 is: 32,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.10 : 88,287.15 = 21,460.40 : x
  2. Step 2: Convert to fraction form
    58,858.10/88,287.15 = 21,460.40/x
  3. Step 3: Cross multiply
    58,858.10x = 88,287.15 × 21,460.40
  4. Step 4: Simplify right side
    58,858.10x = 1,894,677,553.86
  5. Step 5: Solve for x
    x = 1,894,677,553.86/58,858.10
  6. Step 6: Final answer
    x = 32,190.60

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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.