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Finding the Fourth Proportional to 70,312.40, 105,468.60 and 23,566.80

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Solution

The fourth proportional to 70,312.40, 105,468.60 and 23,566.80 is: 35,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312.40 : 105,468.60 = 23,566.80 : x
  2. Step 2: Convert to fraction form
    70,312.40/105,468.60 = 23,566.80/x
  3. Step 3: Cross multiply
    70,312.40x = 105,468.60 × 23,566.80
  4. Step 4: Simplify right side
    70,312.40x = 2,485,557,402.48
  5. Step 5: Solve for x
    x = 2,485,557,402.48/70,312.40
  6. Step 6: Final answer
    x = 35,350.20

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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.