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Finding the Fourth Proportional to 35,762.96, 49,341.48 and 20,653.63

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Solution

The fourth proportional to 35,762.96, 49,341.48 and 20,653.63 is: 28,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,762.96 : 49,341.48 = 20,653.63 : x
  2. Step 2: Convert to fraction form
    35,762.96/49,341.48 = 20,653.63/x
  3. Step 3: Cross multiply
    35,762.96x = 49,341.48 × 20,653.63
  4. Step 4: Simplify right side
    35,762.96x = 1,019,080,671.57
  5. Step 5: Solve for x
    x = 1,019,080,671.57/35,762.96
  6. Step 6: Final answer
    x = 28,495.42

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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.