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Finding the Fourth Proportional to 70,798.66, 97,702.17 and 38,967.33

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Solution

The fourth proportional to 70,798.66, 97,702.17 and 38,967.33 is: 53,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,798.66 : 97,702.17 = 38,967.33 : x
  2. Step 2: Convert to fraction form
    70,798.66/97,702.17 = 38,967.33/x
  3. Step 3: Cross multiply
    70,798.66x = 97,702.17 × 38,967.33
  4. Step 4: Simplify right side
    70,798.66x = 3,807,192,699.57
  5. Step 5: Solve for x
    x = 3,807,192,699.57/70,798.66
  6. Step 6: Final answer
    x = 53,774.93

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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.