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Finding the Fourth Proportional to 70,323.66, 97,047.72 and 38,495.52

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Solution

The fourth proportional to 70,323.66, 97,047.72 and 38,495.52 is: 53,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,323.66 : 97,047.72 = 38,495.52 : x
  2. Step 2: Convert to fraction form
    70,323.66/97,047.72 = 38,495.52/x
  3. Step 3: Cross multiply
    70,323.66x = 97,047.72 × 38,495.52
  4. Step 4: Simplify right side
    70,323.66x = 3,735,902,446.21
  5. Step 5: Solve for x
    x = 3,735,902,446.21/70,323.66
  6. Step 6: Final answer
    x = 53,124.40

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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.