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Finding the Fourth Proportional to 19,209, 26,506.47 and 10,710.32

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Solution

The fourth proportional to 19,209, 26,506.47 and 10,710.32 is: 14,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209 : 26,506.47 = 10,710.32 : x
  2. Step 2: Convert to fraction form
    19,209/26,506.47 = 10,710.32/x
  3. Step 3: Cross multiply
    19,209x = 26,506.47 × 10,710.32
  4. Step 4: Simplify right side
    19,209x = 283,892,643.24
  5. Step 5: Solve for x
    x = 283,892,643.24/19,209
  6. Step 6: Final answer
    x = 14,779.15

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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.