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Finding the Fourth Proportional to 70,325.05, 97,048.59 and 38,494.63

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Solution

The fourth proportional to 70,325.05, 97,048.59 and 38,494.63 is: 53,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,325.05 : 97,048.59 = 38,494.63 : x
  2. Step 2: Convert to fraction form
    70,325.05/97,048.59 = 38,494.63/x
  3. Step 3: Cross multiply
    70,325.05x = 97,048.59 × 38,494.63
  4. Step 4: Simplify right side
    70,325.05x = 3,735,849,564.07
  5. Step 5: Solve for x
    x = 3,735,849,564.07/70,325.05
  6. Step 6: Final answer
    x = 53,122.60

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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.