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Finding the Fourth Proportional to 70,482.12, 97,266.66 and 38,649.12

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Solution

The fourth proportional to 70,482.12, 97,266.66 and 38,649.12 is: 53,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,482.12 : 97,266.66 = 38,649.12 : x
  2. Step 2: Convert to fraction form
    70,482.12/97,266.66 = 38,649.12/x
  3. Step 3: Cross multiply
    70,482.12x = 97,266.66 × 38,649.12
  4. Step 4: Simplify right side
    70,482.12x = 3,759,270,814.34
  5. Step 5: Solve for x
    x = 3,759,270,814.34/70,482.12
  6. Step 6: Final answer
    x = 53,336.52

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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.