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Finding the Fourth Proportional to 19,710,347.55, 29,565,521.33 and 19,710,347.55

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Solution

The fourth proportional to 19,710,347.55, 29,565,521.33 and 19,710,347.55 is: 29,565,521.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710,347.55 : 29,565,521.33 = 19,710,347.55 : x
  2. Step 2: Convert to fraction form
    19,710,347.55/29,565,521.33 = 19,710,347.55/x
  3. Step 3: Cross multiply
    19,710,347.55x = 29,565,521.33 × 19,710,347.55
  4. Step 4: Simplify right side
    19,710,347.55x = 582,746,700,812,686.50
  5. Step 5: Solve for x
    x = 582,746,700,812,686.50/19,710,347.55
  6. Step 6: Final answer
    x = 29,565,521.33

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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.