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Finding the Fourth Proportional to 72,927.84, 109,406.40 and 23,015.64

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Solution

The fourth proportional to 72,927.84, 109,406.40 and 23,015.64 is: 34,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,927.84 : 109,406.40 = 23,015.64 : x
  2. Step 2: Convert to fraction form
    72,927.84/109,406.40 = 23,015.64/x
  3. Step 3: Cross multiply
    72,927.84x = 109,406.40 × 23,015.64
  4. Step 4: Simplify right side
    72,927.84x = 2,518,058,316.10
  5. Step 5: Solve for x
    x = 2,518,058,316.10/72,927.84
  6. Step 6: Final answer
    x = 34,528.08

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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.