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Finding the Fourth Proportional to 83,964, 115,867.60 and 46,237.28

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Solution

The fourth proportional to 83,964, 115,867.60 and 46,237.28 is: 63,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,964 : 115,867.60 = 46,237.28 : x
  2. Step 2: Convert to fraction form
    83,964/115,867.60 = 46,237.28/x
  3. Step 3: Cross multiply
    83,964x = 115,867.60 × 46,237.28
  4. Step 4: Simplify right side
    83,964x = 5,357,402,664.13
  5. Step 5: Solve for x
    x = 5,357,402,664.13/83,964
  6. Step 6: Final answer
    x = 63,805.95

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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.