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Finding the Fourth Proportional to 63,774.40, 88,009.48 and 35,097.36

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Solution

The fourth proportional to 63,774.40, 88,009.48 and 35,097.36 is: 48,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,774.40 : 88,009.48 = 35,097.36 : x
  2. Step 2: Convert to fraction form
    63,774.40/88,009.48 = 35,097.36/x
  3. Step 3: Cross multiply
    63,774.40x = 88,009.48 × 35,097.36
  4. Step 4: Simplify right side
    63,774.40x = 3,088,900,315.23
  5. Step 5: Solve for x
    x = 3,088,900,315.23/63,774.40
  6. Step 6: Final answer
    x = 48,434.80

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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.