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Finding the Fourth Proportional to 35,373.60, 48,815.30 and 19,457.70

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Solution

The fourth proportional to 35,373.60, 48,815.30 and 19,457.70 is: 26,851.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.60 : 48,815.30 = 19,457.70 : x
  2. Step 2: Convert to fraction form
    35,373.60/48,815.30 = 19,457.70/x
  3. Step 3: Cross multiply
    35,373.60x = 48,815.30 × 19,457.70
  4. Step 4: Simplify right side
    35,373.60x = 949,833,365.52
  5. Step 5: Solve for x
    x = 949,833,365.52/35,373.60
  6. Step 6: Final answer
    x = 26,851.48

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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.