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Finding the Fourth Proportional to 1,193.60, 1,783.61 and 895.16

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Solution

The fourth proportional to 1,193.60, 1,783.61 and 895.16 is: 1,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.60 : 1,783.61 = 895.16 : x
  2. Step 2: Convert to fraction form
    1,193.60/1,783.61 = 895.16/x
  3. Step 3: Cross multiply
    1,193.60x = 1,783.61 × 895.16
  4. Step 4: Simplify right side
    1,193.60x = 1,596,602.93
  5. Step 5: Solve for x
    x = 1,596,602.93/1,193.60
  6. Step 6: Final answer
    x = 1,337.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.