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Finding the Fourth Proportional to 70,592.08, 97,403.70 and 47,949.16

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Solution

The fourth proportional to 70,592.08, 97,403.70 and 47,949.16 is: 66,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.08 : 97,403.70 = 47,949.16 : x
  2. Step 2: Convert to fraction form
    70,592.08/97,403.70 = 47,949.16/x
  3. Step 3: Cross multiply
    70,592.08x = 97,403.70 × 47,949.16
  4. Step 4: Simplify right side
    70,592.08x = 4,670,425,595.89
  5. Step 5: Solve for x
    x = 4,670,425,595.89/70,592.08
  6. Step 6: Final answer
    x = 66,160.76

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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.