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Finding the Fourth Proportional to 56,503.56, 77,990.04 and 35,270.04

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Solution

The fourth proportional to 56,503.56, 77,990.04 and 35,270.04 is: 48,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,503.56 : 77,990.04 = 35,270.04 : x
  2. Step 2: Convert to fraction form
    56,503.56/77,990.04 = 35,270.04/x
  3. Step 3: Cross multiply
    56,503.56x = 77,990.04 × 35,270.04
  4. Step 4: Simplify right side
    56,503.56x = 2,750,711,830.40
  5. Step 5: Solve for x
    x = 2,750,711,830.40/56,503.56
  6. Step 6: Final answer
    x = 48,682.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.