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Finding the Fourth Proportional to 58,702.40, 88,053.60 and 19,260.80

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Solution

The fourth proportional to 58,702.40, 88,053.60 and 19,260.80 is: 28,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.40 : 88,053.60 = 19,260.80 : x
  2. Step 2: Convert to fraction form
    58,702.40/88,053.60 = 19,260.80/x
  3. Step 3: Cross multiply
    58,702.40x = 88,053.60 × 19,260.80
  4. Step 4: Simplify right side
    58,702.40x = 1,695,982,778.88
  5. Step 5: Solve for x
    x = 1,695,982,778.88/58,702.40
  6. Step 6: Final answer
    x = 28,891.20

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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.