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Finding the Fourth Proportional to 40,424.40, 60,612.84 and 17,038.08

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Solution

The fourth proportional to 40,424.40, 60,612.84 and 17,038.08 is: 25,547.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,424.40 : 60,612.84 = 17,038.08 : x
  2. Step 2: Convert to fraction form
    40,424.40/60,612.84 = 17,038.08/x
  3. Step 3: Cross multiply
    40,424.40x = 60,612.84 × 17,038.08
  4. Step 4: Simplify right side
    40,424.40x = 1,032,726,416.95
  5. Step 5: Solve for x
    x = 1,032,726,416.95/40,424.40
  6. Step 6: Final answer
    x = 25,547.11

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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.