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Finding the Fourth Proportional to 58,934.40, 88,401.60 and 39,148.80

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Solution

The fourth proportional to 58,934.40, 88,401.60 and 39,148.80 is: 58,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,934.40 : 88,401.60 = 39,148.80 : x
  2. Step 2: Convert to fraction form
    58,934.40/88,401.60 = 39,148.80/x
  3. Step 3: Cross multiply
    58,934.40x = 88,401.60 × 39,148.80
  4. Step 4: Simplify right side
    58,934.40x = 3,460,816,558.08
  5. Step 5: Solve for x
    x = 3,460,816,558.08/58,934.40
  6. Step 6: Final answer
    x = 58,723.20

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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.