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Finding the Fourth Proportional to 71,509.79, 98,642.50 and 44,605.58

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Solution

The fourth proportional to 71,509.79, 98,642.50 and 44,605.58 is: 61,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,509.79 : 98,642.50 = 44,605.58 : x
  2. Step 2: Convert to fraction form
    71,509.79/98,642.50 = 44,605.58/x
  3. Step 3: Cross multiply
    71,509.79x = 98,642.50 × 44,605.58
  4. Step 4: Simplify right side
    71,509.79x = 4,400,005,208.91
  5. Step 5: Solve for x
    x = 4,400,005,208.91/71,509.79
  6. Step 6: Final answer
    x = 61,530.11

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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.