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Finding the Fourth Proportional to 58,803.40, 88,205.10 and 39,017.80

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Solution

The fourth proportional to 58,803.40, 88,205.10 and 39,017.80 is: 58,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803.40 : 88,205.10 = 39,017.80 : x
  2. Step 2: Convert to fraction form
    58,803.40/88,205.10 = 39,017.80/x
  3. Step 3: Cross multiply
    58,803.40x = 88,205.10 × 39,017.80
  4. Step 4: Simplify right side
    58,803.40x = 3,441,568,950.78
  5. Step 5: Solve for x
    x = 3,441,568,950.78/58,803.40
  6. Step 6: Final answer
    x = 58,526.70

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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.