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Finding the Fourth Proportional to 58,967.80, 88,451.70 and 39,284.80

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Solution

The fourth proportional to 58,967.80, 88,451.70 and 39,284.80 is: 58,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,967.80 : 88,451.70 = 39,284.80 : x
  2. Step 2: Convert to fraction form
    58,967.80/88,451.70 = 39,284.80/x
  3. Step 3: Cross multiply
    58,967.80x = 88,451.70 × 39,284.80
  4. Step 4: Simplify right side
    58,967.80x = 3,474,807,344.16
  5. Step 5: Solve for x
    x = 3,474,807,344.16/58,967.80
  6. Step 6: Final answer
    x = 58,927.20

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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.