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Finding the Fourth Proportional to 46,671.94, 64,412.13 and 28,766.48

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Solution

The fourth proportional to 46,671.94, 64,412.13 and 28,766.48 is: 39,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,671.94 : 64,412.13 = 28,766.48 : x
  2. Step 2: Convert to fraction form
    46,671.94/64,412.13 = 28,766.48/x
  3. Step 3: Cross multiply
    46,671.94x = 64,412.13 × 28,766.48
  4. Step 4: Simplify right side
    46,671.94x = 1,852,910,518.31
  5. Step 5: Solve for x
    x = 1,852,910,518.31/46,671.94
  6. Step 6: Final answer
    x = 39,700.74

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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.