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Finding the Fourth Proportional to 70,677.78, 97,536.08 and 38,412.39

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Solution

The fourth proportional to 70,677.78, 97,536.08 and 38,412.39 is: 53,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.78 : 97,536.08 = 38,412.39 : x
  2. Step 2: Convert to fraction form
    70,677.78/97,536.08 = 38,412.39/x
  3. Step 3: Cross multiply
    70,677.78x = 97,536.08 × 38,412.39
  4. Step 4: Simplify right side
    70,677.78x = 3,746,594,405.82
  5. Step 5: Solve for x
    x = 3,746,594,405.82/70,677.78
  6. Step 6: Final answer
    x = 53,009.51

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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.