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Finding the Fourth Proportional to 70,041.74, 96,655.69 and 38,210.63

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Solution

The fourth proportional to 70,041.74, 96,655.69 and 38,210.63 is: 52,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.74 : 96,655.69 = 38,210.63 : x
  2. Step 2: Convert to fraction form
    70,041.74/96,655.69 = 38,210.63/x
  3. Step 3: Cross multiply
    70,041.74x = 96,655.69 × 38,210.63
  4. Step 4: Simplify right side
    70,041.74x = 3,693,275,097.39
  5. Step 5: Solve for x
    x = 3,693,275,097.39/70,041.74
  6. Step 6: Final answer
    x = 52,729.63

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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.