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Finding the Fourth Proportional to 70,473.53, 105,502.91 and 47,041.85

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Solution

The fourth proportional to 70,473.53, 105,502.91 and 47,041.85 is: 70,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,473.53 : 105,502.91 = 47,041.85 : x
  2. Step 2: Convert to fraction form
    70,473.53/105,502.91 = 47,041.85/x
  3. Step 3: Cross multiply
    70,473.53x = 105,502.91 × 47,041.85
  4. Step 4: Simplify right side
    70,473.53x = 4,963,051,304.06
  5. Step 5: Solve for x
    x = 4,963,051,304.06/70,473.53
  6. Step 6: Final answer
    x = 70,424.34

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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.