Finding the Fourth Proportional to 52,619,596.84, 72,615,334.92 and 29,415,701.80
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Solution
The fourth proportional to 52,619,596.84, 72,615,334.92 and 29,415,701.80 is: 40,593,831.32
Step by Step Solution
- Step 1: Write the proportion equation
52,619,596.84 : 72,615,334.92 = 29,415,701.80 : x - Step 2: Convert to fraction form
52,619,596.84/72,615,334.92 = 29,415,701.80/x - Step 3: Cross multiply
52,619,596.84x = 72,615,334.92 × 29,415,701.80 - Step 4: Simplify right side
52,619,596.84x = 2,136,031,038,113,847 - Step 5: Solve for x
x = 2,136,031,038,113,847/52,619,596.84 - Step 6: Final answer
x = 40,593,831.32
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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.