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Finding the Fourth Proportional to 44,468.64, 66,779.28 and 39,482.28

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Solution

The fourth proportional to 44,468.64, 66,779.28 and 39,482.28 is: 59,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,468.64 : 66,779.28 = 39,482.28 : x
  2. Step 2: Convert to fraction form
    44,468.64/66,779.28 = 39,482.28/x
  3. Step 3: Cross multiply
    44,468.64x = 66,779.28 × 39,482.28
  4. Step 4: Simplify right side
    44,468.64x = 2,636,598,231.16
  5. Step 5: Solve for x
    x = 2,636,598,231.16/44,468.64
  6. Step 6: Final answer
    x = 59,291.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.