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Finding the Fourth Proportional to 70,526.68, 97,329.54 and 38,696.92

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Solution

The fourth proportional to 70,526.68, 97,329.54 and 38,696.92 is: 53,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.68 : 97,329.54 = 38,696.92 : x
  2. Step 2: Convert to fraction form
    70,526.68/97,329.54 = 38,696.92/x
  3. Step 3: Cross multiply
    70,526.68x = 97,329.54 × 38,696.92
  4. Step 4: Simplify right side
    70,526.68x = 3,766,353,423.02
  5. Step 5: Solve for x
    x = 3,766,353,423.02/70,526.68
  6. Step 6: Final answer
    x = 53,403.24

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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.