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Finding the Fourth Proportional to 9,045.16, 12,482.94 and 5,066.20

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Solution

The fourth proportional to 9,045.16, 12,482.94 and 5,066.20 is: 6,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.16 : 12,482.94 = 5,066.20 : x
  2. Step 2: Convert to fraction form
    9,045.16/12,482.94 = 5,066.20/x
  3. Step 3: Cross multiply
    9,045.16x = 12,482.94 × 5,066.20
  4. Step 4: Simplify right side
    9,045.16x = 63,241,070.63
  5. Step 5: Solve for x
    x = 63,241,070.63/9,045.16
  6. Step 6: Final answer
    x = 6,991.70

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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.