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Finding the Fourth Proportional to 94,593.60, 130,554.72 and 56,888.64

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Solution

The fourth proportional to 94,593.60, 130,554.72 and 56,888.64 is: 78,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,593.60 : 130,554.72 = 56,888.64 : x
  2. Step 2: Convert to fraction form
    94,593.60/130,554.72 = 56,888.64/x
  3. Step 3: Cross multiply
    94,593.60x = 130,554.72 × 56,888.64
  4. Step 4: Simplify right side
    94,593.60x = 7,427,080,466.38
  5. Step 5: Solve for x
    x = 7,427,080,466.38/94,593.60
  6. Step 6: Final answer
    x = 78,515.68

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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.