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Finding the Fourth Proportional to 70,358.94, 97,095.12 and 38,527.80

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Solution

The fourth proportional to 70,358.94, 97,095.12 and 38,527.80 is: 53,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,358.94 : 97,095.12 = 38,527.80 : x
  2. Step 2: Convert to fraction form
    70,358.94/97,095.12 = 38,527.80/x
  3. Step 3: Cross multiply
    70,358.94x = 97,095.12 × 38,527.80
  4. Step 4: Simplify right side
    70,358.94x = 3,740,861,364.34
  5. Step 5: Solve for x
    x = 3,740,861,364.34/70,358.94
  6. Step 6: Final answer
    x = 53,168.25

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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.