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Finding the Fourth Proportional to 46,641.88, 64,314.98 and 31,508.28

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Solution

The fourth proportional to 46,641.88, 64,314.98 and 31,508.28 is: 43,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,641.88 : 64,314.98 = 31,508.28 : x
  2. Step 2: Convert to fraction form
    46,641.88/64,314.98 = 31,508.28/x
  3. Step 3: Cross multiply
    46,641.88x = 64,314.98 × 31,508.28
  4. Step 4: Simplify right side
    46,641.88x = 2,026,454,358.65
  5. Step 5: Solve for x
    x = 2,026,454,358.65/46,641.88
  6. Step 6: Final answer
    x = 43,447.10

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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.