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Finding the Fourth Proportional to 70,041.95, 96,657.76 and 38,210.84

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Solution

The fourth proportional to 70,041.95, 96,657.76 and 38,210.84 is: 52,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.95 : 96,657.76 = 38,210.84 : x
  2. Step 2: Convert to fraction form
    70,041.95/96,657.76 = 38,210.84/x
  3. Step 3: Cross multiply
    70,041.95x = 96,657.76 × 38,210.84
  4. Step 4: Simplify right side
    70,041.95x = 3,693,374,202.12
  5. Step 5: Solve for x
    x = 3,693,374,202.12/70,041.95
  6. Step 6: Final answer
    x = 52,730.89

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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.