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Finding the Fourth Proportional to 47,176.56, 70,756.80 and 44,574

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Solution

The fourth proportional to 47,176.56, 70,756.80 and 44,574 is: 66,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,176.56 : 70,756.80 = 44,574 : x
  2. Step 2: Convert to fraction form
    47,176.56/70,756.80 = 44,574/x
  3. Step 3: Cross multiply
    47,176.56x = 70,756.80 × 44,574
  4. Step 4: Simplify right side
    47,176.56x = 3,153,913,603.20
  5. Step 5: Solve for x
    x = 3,153,913,603.20/47,176.56
  6. Step 6: Final answer
    x = 66,853.40

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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.