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Finding the Fourth Proportional to 62,944.32, 86,862.24 and 34,649.28

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Solution

The fourth proportional to 62,944.32, 86,862.24 and 34,649.28 is: 47,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,944.32 : 86,862.24 = 34,649.28 : x
  2. Step 2: Convert to fraction form
    62,944.32/86,862.24 = 34,649.28/x
  3. Step 3: Cross multiply
    62,944.32x = 86,862.24 × 34,649.28
  4. Step 4: Simplify right side
    62,944.32x = 3,009,714,075.19
  5. Step 5: Solve for x
    x = 3,009,714,075.19/62,944.32
  6. Step 6: Final answer
    x = 47,815.50

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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.