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Finding the Fourth Proportional to 5,249,509.32, 7,865,399.34 and 3,223,530.84

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Solution

The fourth proportional to 5,249,509.32, 7,865,399.34 and 3,223,530.84 is: 4,829,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249,509.32 : 7,865,399.34 = 3,223,530.84 : x
  2. Step 2: Convert to fraction form
    5,249,509.32/7,865,399.34 = 3,223,530.84/x
  3. Step 3: Cross multiply
    5,249,509.32x = 7,865,399.34 × 3,223,530.84
  4. Step 4: Simplify right side
    5,249,509.32x = 25,354,357,341,405.64
  5. Step 5: Solve for x
    x = 25,354,357,341,405.64/5,249,509.32
  6. Step 6: Final answer
    x = 4,829,852.81

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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.