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Finding the Fourth Proportional to 46,410.76, 64,015.14 and 29,636.20

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Solution

The fourth proportional to 46,410.76, 64,015.14 and 29,636.20 is: 40,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,410.76 : 64,015.14 = 29,636.20 : x
  2. Step 2: Convert to fraction form
    46,410.76/64,015.14 = 29,636.20/x
  3. Step 3: Cross multiply
    46,410.76x = 64,015.14 × 29,636.20
  4. Step 4: Simplify right side
    46,410.76x = 1,897,165,492.07
  5. Step 5: Solve for x
    x = 1,897,165,492.07/46,410.76
  6. Step 6: Final answer
    x = 40,877.71

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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.