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Finding the Fourth Proportional to 35,646.64, 49,191.76 and 19,730.76

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Solution

The fourth proportional to 35,646.64, 49,191.76 and 19,730.76 is: 27,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,646.64 : 49,191.76 = 19,730.76 : x
  2. Step 2: Convert to fraction form
    35,646.64/49,191.76 = 19,730.76/x
  3. Step 3: Cross multiply
    35,646.64x = 49,191.76 × 19,730.76
  4. Step 4: Simplify right side
    35,646.64x = 970,590,810.54
  5. Step 5: Solve for x
    x = 970,590,810.54/35,646.64
  6. Step 6: Final answer
    x = 27,228.11

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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.