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Finding the Fourth Proportional to 70,547.61, 97,352.64 and 38,717.04

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Solution

The fourth proportional to 70,547.61, 97,352.64 and 38,717.04 is: 53,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,547.61 : 97,352.64 = 38,717.04 : x
  2. Step 2: Convert to fraction form
    70,547.61/97,352.64 = 38,717.04/x
  3. Step 3: Cross multiply
    70,547.61x = 97,352.64 × 38,717.04
  4. Step 4: Simplify right side
    70,547.61x = 3,769,206,056.99
  5. Step 5: Solve for x
    x = 3,769,206,056.99/70,547.61
  6. Step 6: Final answer
    x = 53,427.83

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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.