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Finding the Fourth Proportional to 70,859.13, 97,826.27 and 47,018.13

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Solution

The fourth proportional to 70,859.13, 97,826.27 and 47,018.13 is: 64,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.13 : 97,826.27 = 47,018.13 : x
  2. Step 2: Convert to fraction form
    70,859.13/97,826.27 = 47,018.13/x
  3. Step 3: Cross multiply
    70,859.13x = 97,826.27 × 47,018.13
  4. Step 4: Simplify right side
    70,859.13x = 4,599,608,045.18
  5. Step 5: Solve for x
    x = 4,599,608,045.18/70,859.13
  6. Step 6: Final answer
    x = 64,912.00

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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.