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Finding the Fourth Proportional to 70,879.66, 97,814.16 and 39,048.46

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Solution

The fourth proportional to 70,879.66, 97,814.16 and 39,048.46 is: 53,887.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879.66 : 97,814.16 = 39,048.46 : x
  2. Step 2: Convert to fraction form
    70,879.66/97,814.16 = 39,048.46/x
  3. Step 3: Cross multiply
    70,879.66x = 97,814.16 × 39,048.46
  4. Step 4: Simplify right side
    70,879.66x = 3,819,492,314.19
  5. Step 5: Solve for x
    x = 3,819,492,314.19/70,879.66
  6. Step 6: Final answer
    x = 53,887.00

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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.