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Finding the Fourth Proportional to 30,361.71, 45,547.98 and 9,301.32

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Solution

The fourth proportional to 30,361.71, 45,547.98 and 9,301.32 is: 13,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.71 : 45,547.98 = 9,301.32 : x
  2. Step 2: Convert to fraction form
    30,361.71/45,547.98 = 9,301.32/x
  3. Step 3: Cross multiply
    30,361.71x = 45,547.98 × 9,301.32
  4. Step 4: Simplify right side
    30,361.71x = 423,656,337.33
  5. Step 5: Solve for x
    x = 423,656,337.33/30,361.71
  6. Step 6: Final answer
    x = 13,953.64

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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.