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Finding the Fourth Proportional to 70,041.06, 96,655.04 and 38,211.08

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Solution

The fourth proportional to 70,041.06, 96,655.04 and 38,211.08 is: 52,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,041.06 : 96,655.04 = 38,211.08 : x
  2. Step 2: Convert to fraction form
    70,041.06/96,655.04 = 38,211.08/x
  3. Step 3: Cross multiply
    70,041.06x = 96,655.04 × 38,211.08
  4. Step 4: Simplify right side
    70,041.06x = 3,693,293,465.84
  5. Step 5: Solve for x
    x = 3,693,293,465.84/70,041.06
  6. Step 6: Final answer
    x = 52,730.41

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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.