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Finding the Fourth Proportional to 70,602.65, 97,431.66 and 38,337.11

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Solution

The fourth proportional to 70,602.65, 97,431.66 and 38,337.11 is: 52,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602.65 : 97,431.66 = 38,337.11 : x
  2. Step 2: Convert to fraction form
    70,602.65/97,431.66 = 38,337.11/x
  3. Step 3: Cross multiply
    70,602.65x = 97,431.66 × 38,337.11
  4. Step 4: Simplify right side
    70,602.65x = 3,735,248,510.48
  5. Step 5: Solve for x
    x = 3,735,248,510.48/70,602.65
  6. Step 6: Final answer
    x = 52,905.22

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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.