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Finding the Fourth Proportional to 29,864.70, 39,746.70 and 29,864.70

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Solution

The fourth proportional to 29,864.70, 39,746.70 and 29,864.70 is: 39,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,864.70 : 39,746.70 = 29,864.70 : x
  2. Step 2: Convert to fraction form
    29,864.70/39,746.70 = 29,864.70/x
  3. Step 3: Cross multiply
    29,864.70x = 39,746.70 × 29,864.70
  4. Step 4: Simplify right side
    29,864.70x = 1,187,023,271.49
  5. Step 5: Solve for x
    x = 1,187,023,271.49/29,864.70
  6. Step 6: Final answer
    x = 39,746.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.