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Finding the Fourth Proportional to 72,653.40, 100,260.41 and 44,359.07

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Solution

The fourth proportional to 72,653.40, 100,260.41 and 44,359.07 is: 61,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,653.40 : 100,260.41 = 44,359.07 : x
  2. Step 2: Convert to fraction form
    72,653.40/100,260.41 = 44,359.07/x
  3. Step 3: Cross multiply
    72,653.40x = 100,260.41 × 44,359.07
  4. Step 4: Simplify right side
    72,653.40x = 4,447,457,822.32
  5. Step 5: Solve for x
    x = 4,447,457,822.32/72,653.40
  6. Step 6: Final answer
    x = 61,214.72

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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.