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Finding the Fourth Proportional to 29,547.60, 44,326.80 and 12,019.20

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Solution

The fourth proportional to 29,547.60, 44,326.80 and 12,019.20 is: 18,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.60 : 44,326.80 = 12,019.20 : x
  2. Step 2: Convert to fraction form
    29,547.60/44,326.80 = 12,019.20/x
  3. Step 3: Cross multiply
    29,547.60x = 44,326.80 × 12,019.20
  4. Step 4: Simplify right side
    29,547.60x = 532,772,674.56
  5. Step 5: Solve for x
    x = 532,772,674.56/29,547.60
  6. Step 6: Final answer
    x = 18,031.00

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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.