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Finding the Fourth Proportional to 61,996.32, 85,572.72 and 46,133.28

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Solution

The fourth proportional to 61,996.32, 85,572.72 and 46,133.28 is: 63,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,996.32 : 85,572.72 = 46,133.28 : x
  2. Step 2: Convert to fraction form
    61,996.32/85,572.72 = 46,133.28/x
  3. Step 3: Cross multiply
    61,996.32x = 85,572.72 × 46,133.28
  4. Step 4: Simplify right side
    61,996.32x = 3,947,750,252.12
  5. Step 5: Solve for x
    x = 3,947,750,252.12/61,996.32
  6. Step 6: Final answer
    x = 63,677.17

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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.