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Finding the Fourth Proportional to 70,041.42, 96,657.42 and 38,210.98

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Solution

The fourth proportional to 70,041.42, 96,657.42 and 38,210.98 is: 52,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.42 : 96,657.42 = 38,210.98 : x
  2. Step 2: Convert to fraction form
    70,041.42/96,657.42 = 38,210.98/x
  3. Step 3: Cross multiply
    70,041.42x = 96,657.42 × 38,210.98
  4. Step 4: Simplify right side
    70,041.42x = 3,693,374,742.47
  5. Step 5: Solve for x
    x = 3,693,374,742.47/70,041.42
  6. Step 6: Final answer
    x = 52,731.29

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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.