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Finding the Fourth Proportional to 84,602.88, 116,756.64 and 46,876.32

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Solution

The fourth proportional to 84,602.88, 116,756.64 and 46,876.32 is: 64,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.88 : 116,756.64 = 46,876.32 : x
  2. Step 2: Convert to fraction form
    84,602.88/116,756.64 = 46,876.32/x
  3. Step 3: Cross multiply
    84,602.88x = 116,756.64 × 46,876.32
  4. Step 4: Simplify right side
    84,602.88x = 5,473,121,618.76
  5. Step 5: Solve for x
    x = 5,473,121,618.76/84,602.88
  6. Step 6: Final answer
    x = 64,691.91

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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.