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Finding the Fourth Proportional to 48,957.40, 73,436.80 and 13,897.08

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Solution

The fourth proportional to 48,957.40, 73,436.80 and 13,897.08 is: 20,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,957.40 : 73,436.80 = 13,897.08 : x
  2. Step 2: Convert to fraction form
    48,957.40/73,436.80 = 13,897.08/x
  3. Step 3: Cross multiply
    48,957.40x = 73,436.80 × 13,897.08
  4. Step 4: Simplify right side
    48,957.40x = 1,020,557,084.54
  5. Step 5: Solve for x
    x = 1,020,557,084.54/48,957.40
  6. Step 6: Final answer
    x = 20,845.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.