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Finding the Fourth Proportional to 62,897.64, 86,798 and 46,836.80

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Solution

The fourth proportional to 62,897.64, 86,798 and 46,836.80 is: 64,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,897.64 : 86,798 = 46,836.80 : x
  2. Step 2: Convert to fraction form
    62,897.64/86,798 = 46,836.80/x
  3. Step 3: Cross multiply
    62,897.64x = 86,798 × 46,836.80
  4. Step 4: Simplify right side
    62,897.64x = 4,065,340,566.40
  5. Step 5: Solve for x
    x = 4,065,340,566.40/62,897.64
  6. Step 6: Final answer
    x = 64,634.23

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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.