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Finding the Fourth Proportional to 58,795.40, 88,193.10 and 39,009.80

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Solution

The fourth proportional to 58,795.40, 88,193.10 and 39,009.80 is: 58,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.40 : 88,193.10 = 39,009.80 : x
  2. Step 2: Convert to fraction form
    58,795.40/88,193.10 = 39,009.80/x
  3. Step 3: Cross multiply
    58,795.40x = 88,193.10 × 39,009.80
  4. Step 4: Simplify right side
    58,795.40x = 3,440,395,192.38
  5. Step 5: Solve for x
    x = 3,440,395,192.38/58,795.40
  6. Step 6: Final answer
    x = 58,514.70

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Double scale
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Similar ratio
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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.