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Finding the Fourth Proportional to 52,104.70, 72,859.10 and 52,104.70

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Solution

The fourth proportional to 52,104.70, 72,859.10 and 52,104.70 is: 72,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,104.70 : 72,859.10 = 52,104.70 : x
  2. Step 2: Convert to fraction form
    52,104.70/72,859.10 = 52,104.70/x
  3. Step 3: Cross multiply
    52,104.70x = 72,859.10 × 52,104.70
  4. Step 4: Simplify right side
    52,104.70x = 3,796,301,547.77
  5. Step 5: Solve for x
    x = 3,796,301,547.77/52,104.70
  6. Step 6: Final answer
    x = 72,859.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.