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Finding the Fourth Proportional to 70,302.83, 97,014.80 and 38,473.07

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Solution

The fourth proportional to 70,302.83, 97,014.80 and 38,473.07 is: 53,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,302.83 : 97,014.80 = 38,473.07 : x
  2. Step 2: Convert to fraction form
    70,302.83/97,014.80 = 38,473.07/x
  3. Step 3: Cross multiply
    70,302.83x = 97,014.80 × 38,473.07
  4. Step 4: Simplify right side
    70,302.83x = 3,732,456,999.07
  5. Step 5: Solve for x
    x = 3,732,456,999.07/70,302.83
  6. Step 6: Final answer
    x = 53,091.13

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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.