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Finding the Fourth Proportional to 46,878.92, 64,691.30 and 26,742.32

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Solution

The fourth proportional to 46,878.92, 64,691.30 and 26,742.32 is: 36,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,878.92 : 64,691.30 = 26,742.32 : x
  2. Step 2: Convert to fraction form
    46,878.92/64,691.30 = 26,742.32/x
  3. Step 3: Cross multiply
    46,878.92x = 64,691.30 × 26,742.32
  4. Step 4: Simplify right side
    46,878.92x = 1,729,995,445.82
  5. Step 5: Solve for x
    x = 1,729,995,445.82/46,878.92
  6. Step 6: Final answer
    x = 36,903.48

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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.