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Finding the Fourth Proportional to 46,671.55, 64,413 and 29,677.48

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Solution

The fourth proportional to 46,671.55, 64,413 and 29,677.48 is: 40,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,671.55 : 64,413 = 29,677.48 : x
  2. Step 2: Convert to fraction form
    46,671.55/64,413 = 29,677.48/x
  3. Step 3: Cross multiply
    46,671.55x = 64,413 × 29,677.48
  4. Step 4: Simplify right side
    46,671.55x = 1,911,615,358.21
  5. Step 5: Solve for x
    x = 1,911,615,358.21/46,671.55
  6. Step 6: Final answer
    x = 40,958.90

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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.