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Finding the Fourth Proportional to 70,838.98, 97,754.28 and 39,001.93

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Solution

The fourth proportional to 70,838.98, 97,754.28 and 39,001.93 is: 53,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,838.98 : 97,754.28 = 39,001.93 : x
  2. Step 2: Convert to fraction form
    70,838.98/97,754.28 = 39,001.93/x
  3. Step 3: Cross multiply
    70,838.98x = 97,754.28 × 39,001.93
  4. Step 4: Simplify right side
    70,838.98x = 3,812,605,341.37
  5. Step 5: Solve for x
    x = 3,812,605,341.37/70,838.98
  6. Step 6: Final answer
    x = 53,820.73

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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.