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Finding the Fourth Proportional to 46,265.76, 63,813.80 and 31,931.04

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Solution

The fourth proportional to 46,265.76, 63,813.80 and 31,931.04 is: 44,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,265.76 : 63,813.80 = 31,931.04 : x
  2. Step 2: Convert to fraction form
    46,265.76/63,813.80 = 31,931.04/x
  3. Step 3: Cross multiply
    46,265.76x = 63,813.80 × 31,931.04
  4. Step 4: Simplify right side
    46,265.76x = 2,037,641,000.35
  5. Step 5: Solve for x
    x = 2,037,641,000.35/46,265.76
  6. Step 6: Final answer
    x = 44,042.10

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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.